废水

fèi shuǐ lì yòng

废水利用

waste water utilization

fèi shuǐ shèn tòu

废水渗透

waste water infiltration

gōng yè de fèi shuǐ

工业的废水

industrial effluents

zhè ge huà gōng chǎng pái chū dà liàng yǒu dú de fèi shuǐ

这个化工厂排出大量有毒的废水。

A lot of poisonous waste water comes from the chemical factory.

liú rù hé liú de fèi shuǐ jiǎn shǎo le

流入河流的废水减少了93％。

Waste water going out into the river was reduced by 93 percent.

fèi shuǐ de pái fàng liàng shǎo

废水的排放量少。

The discharge of waste water is small.