Mine. building. dyestuffs and other industries, the products sell well all over the country .

礦山最近更新202中文字幕视频。建筑欧美人性交精品A片在线观看。染料等行業(yè)欧美三级视频播放在线观看网址，產(chǎn)品暢銷全國各地男女激情免费网站。

From this point of view, advanced oxidation technologies of organic dyestuffs are attractive methods.

鑒于此點(diǎn)久久wWW722com，高級氧化法逐漸引起了人們的注意日韩欧美国产成人片在线观看。

The developing products of dyestuffs chemicals are well sold in the whole country and a lot of products are exported.

公司開發(fā)經(jīng)營的染料及化工系列產(chǎn)品行銷全國，并大量出口91婬黄看大片。

A kind of dyestuffs, no matter is chemical or natural, will absorb light of some wavelength and reflect others.

一種染料日韩欧美女自拍图片大全集视频，不管是化學(xué)的還是天然的，都會吸收某些波長的光而反射另一些鸡行业黑话全套。

Dyestuffs, which are known to be harmful to humans, must not be used in fabrics supplied to Visage.

對人體有傷害的染料不能提供給維雅公司偷窥偷拍综合。

Such dyestuffs must not be used on any textile materials destined for Visage products.

英方出版了一份對人體有害的染料的清單。

Dyestuffs and spices were already used in antiquity.

染料和香料已經(jīng)使用在遠(yuǎn)古時代午夜三級片免费观看。

The EU publish a list of dyestuffs known to be harmful to humans.

清單中所列舉的這些染料不能用于任何出口至維雅公司的貨物中草av在线。

It was a flourishing commercial center noted for its purple dyestuffs and rich, silken clothing.

公元前 11世紀(jì)后是一個繁榮的商業(yè)中心，以其紫色染料和華麗絲織品而著稱有沪有免费黄色网站。

Owing to different structures of cotton fiber and chitin fiber ,they have different adsorbability to reactive dyestuffs.

采用不同的醛類化合物對甲殼素纖維上的氨基進(jìn)行保護(hù)亚洲精品无码午夜福利，活性染料染色后用稀酸脫去氨基的保護(hù)基。