Even innocuous substances can sometimes register a positive result in a drug test.

即使无害的物质在药物测试中有时也会呈阳。

Do you call these innocent amusements?

你把这些叫做无害的娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置应该安装在供应管道或卫生洁具下游尽能远，并且由于临界水压环境能产生无害排放的暂时喷溅的地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣中提取的紫色素是一种安全无害的天然染料.本文对蜀葵花中的紫色素的提取及稳定的研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害物质在药物测试有时也会。

Do you call these innocent amusements?

你把这些叫做无害娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置应该安装在供应管道或卫生洁具下游尽能远，并且由于临界水压环境能产生无害排放暂时喷溅地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣提取色素是一种安全无害天然染料.本文对蜀葵花色素提取及稳定研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害的物质在药物测试中有也会呈阳。

Do you call these innocent amusements?

你把这些叫做无害的娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置应该安装在供应管道或卫生洁具下游尽能，由于临界水压环境能产生无害排放的喷溅的地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣中提取的紫色素是一种安全无害的天然染料.本文对蜀葵花中的紫色素的提取及稳定的研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害物质在药物测试中有呈阳性。

Do you call these innocent amusements?

你把这些叫做无害娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置应该安装在供应管道或卫生洁具下游尽能远，并且由于临界水压环境能产生无害排放暂性喷溅地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣中提取紫是一种安全无害天然染料.本文对蜀葵花中紫提取及稳定性研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害物质药物测试中有时也会呈阳性。

Do you call these innocent amusements?

你把这些叫做无害娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置该安装管道或卫生洁具下游尽能远，并且由于临界水压环境能产生无害排放暂时性喷溅地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣中提色素是一种安全无害天然染料.本文对蜀葵花中色素提及稳定性研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害物质在药物测试有时也会呈。

Do you call these innocent amusements?

把这些叫做无害娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置应该安装在供应管道或卫生洁具下游尽能远，并且由于临界水压环境能产生无害排放暂时喷溅地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵瓣提取紫色素是一种安全无害天然染料.本文对蜀葵紫色素提取及稳定研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害的物质在药物测试中有时也会呈阳。

Do you call these innocent amusements?

你把这些叫做无害的娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置应该安装在供应管道或卫生洁具下游尽，并且由于临界水压环境产生无害排放的暂时的地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣中提取的紫色素是一种安全无害的天然染料.本文对蜀葵花中的紫色素的提取及稳定的研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害的物质在药物测试中有时也会呈阳性。

Do you call these innocent amusements?

你把这些叫做无害的娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种置应在供应管道或卫生洁具下游尽能远，并且由于临界水压环境能产生无害排放的暂时性喷溅的地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣中提取的紫一种全无害的天然染料.本文对蜀葵花中的紫的提取及稳定性的研究作了介绍.

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害物质在药物测试中有时也会呈阳性。

Do you call these innocent amusements?

你把这些叫做无害娱乐吗?

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置该安装在道或卫生洁具下游尽能远，并且由于临界水压环境能产生无害排放暂时性喷溅地方。

The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.

从蜀葵花瓣中紫色素是一种安全无害天然染料.本文对蜀葵花中紫色素及稳定性研究作了介绍.