vacuum 四级六级考研GMAT

His wife's death left a vacuum in his life.

他妻子去世使他生活变得空虚。

I mean to buy a vacuum next month.

下个月我打算买一台真空吸尘器。

The vacuum cleaner has four different attachments.

吸尘器有四个不同附件。

I went down on one knee to plug in the vacuum cleaner.

我单腿跪下插上吸尘器插头。

In his innocence he had allowed the salesman in to discuss vacuum cleaners.

他傻傻地允许推销员进屋讨论吸尘器问题。

This article discussed the optimization of vacuum freeze-drying and succade process of flammulina velutipes .

讨论了新鲜金针菇不同预处理方法及其真空冷冻蜜饯加工条件优化。

Further mose, by installing vacuum pump on scutcher, hydration of time with fabric expanding.

此外，通过在打棉机上安装真空泵，织物水合作用时间得以延长。

His resignation has left a power vacuum at the head of the party.

他辞职使得该党领导位置出现了权力真空。

The effect of sulphuring, vacuum treatment and soaking on the quality of candied apples was studied.

本文研究了苹果脯生产中护色、抽空处理、浸渍等关键工序对产品质量影响。

In a10kV distribution system,when shunt ca-pacitors are switched off by vacuum circuit breakers,restrike overvoltage often occurs.

电力系统中使用真空断路器切除无功补偿用并联电容器时,容易产生重燃过电压,严重影响并联电容安全运行。

Packing : Product subpackage in double-decked plastic bag, vacuum packing.

产品分装于双层塑料袋中，真空包装。

This machine is applicable to samming process before the drying processing in the vacuum, shaving and splitting processing course.

本机适用于猪、牛、羊皮在真空，削匀，剖层前挤水工序。

He travels in vacuum cleaners.

他到各地推销吸尘器。

He sells vacuum cleaners.

他经销真空吸尘器。

Together with the vacuum debubbling barrel, injecting and forming the debubbled mud with the air pressure in the vacuum debubbling barrel.

与真空脱泡桶配套使用，利用真空脱泡桶中空气压力将脱泡好泥浆进行注浆成型。

ZJ type Roots vacuum pump can't discharge gases directly into the air,it should be equipped with a cowesponding prepump at operation.

ZJ型罗茨真空泵不能直排大气，运行时需配备相应前级泵。

To the following surface treatment: sand blasting, oxidation, corrosion, laser carving, wholesale, laser welding, polishing, lampworking, PVD vacuum electroplating, oil-filled fonts.

能进行以下表面处理: 喷砂,氧化,腐蚀,镭雕,批发,激光焊接,抛光,拉丝,PVD真空电镀,字体填油.

Aluminum and titanium vacuum metallikon outside the glass bottle as a whole or in part, that produces a similar mirror reflection effect.

用铝钛真空金属喷镀玻璃瓶在瓶内部局部或局部爆发一种近似镜背不直射成果。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低压渗碳单室高压气淬真空炉,双室及多室真空炉。

With adoption of post processing of vacuum pneumatic conveying,the conveying cooling and purification of tripolycyanamide can be fulfilled at the same time,which t...

改用吸送式气力输送后处理工艺后,既能输送,又能冷却、提纯三聚氰胺,实现自动化包装,并彻底改善工作环境。