The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固颗粒侵蚀，寿命长，适合各、液阀门密封。

Severe corrosion prevention for materials in oceaneering.

海洋工程中材料重腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和腐蚀 程度随晶取向差不同而不同。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺腐蚀年轻人心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电涂装工艺中使用缓蚀剂，可提高阳极电涂层防腐蚀。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在盐罐中, 因为盐腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水流速不利于在冷却器材料表面形成保护膜，而保护膜对于防腐蚀是至关重要。

Many highly corrosive substances are used in the nuclear industry.

核工业使用许多腐蚀很强物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤加热器不宜用于有腐蚀或危险中。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应图象J2显示出了一些清晰，但是它被环严重腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品中腐蚀物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置腐蚀主要是由原油中硫化物和酸介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上涂层剥落地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液中浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

中义腐蚀凹版辊筒高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固颗粒侵蚀，寿命长，适合各种气、液阀门的密封。

Severe corrosion prevention for materials in oceaneering.

海洋程中的材料重腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和腐蚀 程度随向差的不同而不同。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童的心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎的橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺腐蚀年轻人的心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电涂装艺中用缓蚀剂，可提高阳极电涂层的防腐蚀性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在盐罐中, 因为盐腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水的流速不利于在冷却器材料表面形成保护膜，而保护膜对于防腐蚀是至关重要的。

Many highly corrosive substances are used in the nuclear industry.

核业用许多腐蚀性很强的物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气的加热器不宜用于有腐蚀性或危险性的气中。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应的图象J2显示出了一些清晰，但是它被环严重腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化生产品中的腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置的腐蚀主要是由原油中的硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上涂层剥落的地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液中浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

中义腐蚀凹版辊筒的高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷板耐磨、耐腐蚀、耐固颗粒侵蚀，寿命长，适合各种气、门的密封。

Severe corrosion prevention for materials in oceaneering.

海洋工程中的材料重腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和腐蚀 程度随晶取向差的不同而不同。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童的心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎的橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺腐蚀年轻人的心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电涂装工艺中使用缓蚀剂，可提高阳极电涂层的防腐蚀性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在盐罐中, 因为盐腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水的流速不利于在冷却器材料表面形成保护膜，而保护膜对于防腐蚀是至关重要的。

Many highly corrosive substances are used in the nuclear industry.

核工业使用许多腐蚀性很强的物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气的加热器不宜用于有腐蚀性性的气中。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应的图象J2显示出了一些清晰，但是它被环严重腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品中的腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置的腐蚀主要是由原油中的硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上涂层剥落的地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶中浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

中义腐蚀凹版辊筒的高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命，各种气体、液体阀门的密封。

Severe corrosion prevention for materials in oceaneering.

海洋工程的材料重腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和腐蚀 程度随晶体取向差的不同而不同。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童的心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎的橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺腐蚀年轻人的心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电涂装工艺使用缓蚀剂，可提高阳极电涂层的防腐蚀性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在盐罐, 因为盐腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水的流速不利于在冷却器材料表面形成保护膜，而保护膜对于防腐蚀是至关重要的。

Many highly corrosive substances are used in the nuclear industry.

核工业使用许多腐蚀性很强的物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气的加热器不宜用于有腐蚀性或危险性的气体。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

的图象J2显示出了一些清晰，但是它被环严重腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品的腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置的腐蚀主要是由原油的硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上涂层剥落的地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

义腐蚀凹版辊筒的高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种气体、液体阀门的密封。

Severe corrosion prevention for materials in oceaneering.

海洋程的材料重腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和腐蚀 程度随晶体取向差的不同而不同。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童的心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎的橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺腐蚀年轻人的心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电艺使用缓蚀剂，可提高阳极电层的防腐蚀性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在, 因为腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水的流速不利于在冷却器材料表面形成保护膜，而保护膜对于防腐蚀是至关重要的。

Many highly corrosive substances are used in the nuclear industry.

核业使用许多腐蚀性很强的物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气的加热器不宜用于有腐蚀性或危险性的气体。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应的图象J2显示出了一些清晰，但是它被环严重腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化生产品的腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂置的腐蚀主要是由原油的硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上层剥落的地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

义腐蚀凹版辊筒的高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种气体、液体阀门密封。

Severe corrosion prevention for materials in oceaneering.

海洋工程中材料重腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移度和腐蚀 程度随晶体取向差不同而不同。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎橡胶。

Pornographic literature and art corrupt the minds of young people.

色腐蚀年轻人心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电涂装工中使用缓蚀剂，可提高阳极电涂层防腐蚀性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在盐罐中, 因为盐腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水不利于在冷却器材料表面形成保护膜，而保护膜对于防腐蚀是至关重要。

Many highly corrosive substances are used in the nuclear industry.

核工业使用许多腐蚀性很强物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气加热器不宜用于有腐蚀性或危险性气体中。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应图象J2显示出了一些清晰，但是它被环严重腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品中腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置腐蚀主要是由原油中硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上涂层剥落地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液中浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

中义腐蚀凹版辊筒高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种气体、液体阀门的密封。

Severe corrosion prevention for materials in oceaneering.

海洋程的材料重腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和腐蚀 程度随晶体取向差的不同而不同。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童的心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎的橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺腐蚀年轻人的心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电艺使用缓蚀剂，可提高阳极电层的防腐蚀性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在, 因为腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水的流速不利于在冷却器材料表面形成保护膜，而保护膜对于防腐蚀是至关重要的。

Many highly corrosive substances are used in the nuclear industry.

核业使用许多腐蚀性很强的物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气的加热器不宜用于有腐蚀性或危险性的气体。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应的图象J2显示出了一些清晰，但是它被环严重腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化生产品的腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂置的腐蚀主要是由原油的硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上层剥落的地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

义腐蚀凹版辊筒的高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐、耐固体颗粒侵，寿命长，适合各种气体、液体阀门密封。

Severe corrosion prevention for materials in oceaneering.

海洋工程中材料重防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和 程度随晶体取向差不同而不同。

She thinks these books pollute the minds of children.

她认为这些书儿童。

Oil and grease will rot the rubber of the tyre.

油污会轮胎橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺年轻人。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电涂装工艺中使用缓剂，可提高阳极电涂层防性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把勺留在盐罐中, 因为盐。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水流速不利于在冷却器材料表面形成保护膜，而保护膜对于防是至关重要。

Many highly corrosive substances are used in the nuclear industry.

核工业使用许多性很强物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气加热器不宜用于有性或危险性气体中。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应图象J2显示出了一些清晰，但是它被环严重。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品中性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置主要是由原油中硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸了这块金属上涂层剥落地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液中浸24小时无明显现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

中义凹版辊筒高氯酸铁。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种气体、液体阀门的密封。

Severe corrosion prevention for materials in oceaneering.

海洋工程中的材料腐蚀防护。

The sliding velocity and corrosion degree both depend on the misorientation of Al bicrystals.

滑移速度和腐蚀 程度随晶体取向差的。

She thinks these books pollute the minds of children.

她认为这些书腐蚀儿童的心灵。

Oil and grease will rot the rubber of the tyre.

油污会腐蚀轮胎的橡胶。

Pornographic literature and art corrupt the minds of young people.

色情文艺腐蚀年轻人的心灵。

To improve the anti-corrosion performance of electrocoating,organic andinorganic inhibitors are applied in an anodic electrophoretic-coating.

在电涂装工艺中使用缓蚀剂，可提高阳极电涂层的防腐蚀性。

Don't leave the aluminium spoon in the saltcellar.It will be eaten into by salt.

别把铝勺留在盐罐中, 因为盐腐蚀铝。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水的流速利于在冷却器材料表面形成保护膜，保护膜对于防腐蚀是要的。

Many highly corrosive substances are used in the nuclear industry.

核工业使用许多腐蚀性很强的物质。

Gasfired heaters should not be used in corrosive or explosive atmosphere.

燃烧煤气的加热器宜用于有腐蚀性或危险性的气体中。

The corresponding image, J2, shows some deblurring but it is strongly corrupted by the ringing.

相应的图象J2显示出了一些清晰，但是它被环严腐蚀。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品中的腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。

The acid has eaten through the metal.

酸把这块金属腐蚀穿了。

Whole societies become infected by these vices.

整个社会都被这些恶习所腐蚀。

Goldplated terminals reduce contact resistance and serve as anti-corrosion.

镀金端子降低接触电阻，并且可以防腐蚀。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置的腐蚀主要是由原油中的硫化物和酸性介质所产生。

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

硫酸腐蚀了这块金属上涂层剥落的地方。

Acidoresistant: Without corrorde in2.5% hydrochoric Acid solution at24 hour.

在2.5%酸溶液中浸24小时无明显腐蚀现象.

Perchloride of iron used to etch gravure cylinders. Alernative term: etchant.

中义腐蚀凹版辊筒的高氯酸铁。