题海让大学四年没有难题
白天模式登陆

题目详情

单选题 The removal of impurities from wastewater before it reaches natural bodies of water such as rivers, lakes, and oceans.( )

A. 1 zero emission

B. 2 wastewater treatment

C. 3 waste recycling

D. 4 green production

化工英语(新时代职业英语)课程封面

学科:化工英语(新时代职业英语)

时间:2023-11-18 00:56:25

Copyright © 2022 津ICP备2021001502号