筛除

wèi le shāi chú gèng duō zá zhì bù fen qū yù duì tiān rán qì shí xíng èr cì guò lǜ

为了筛除更多杂质，部分区域对天然气实行二次过滤。

In order to sift out more impurities, some regions carry out secondary filtering of natural gas.

xiàn zhì hé shāi chú niǔ qū guān zhòng shěn měi guān de nèi róng

限制和筛除扭曲观众审美观的内容

limiting and filtering out content that distorts the aesthetic standard of viewers

zhè ge ruǎn jiàn kě shāi chú hán shào ér bù yí nèi róng de hù lián wǎng wǎng zhàn

这个软件可筛除含少儿不宜内容的互联网网站。

The software filters out internet sites whose content is not suitable for children.

xǔ duō jiào zhòng de zá zhì jīng yóu bù tóng de shāi zi shāi chú

许多较重的杂质，经由不同的筛子筛除。

Screening separates much of the heavier trash by use of different-sized screens.