wastewater treatmem

• 废水处理

wastewater treatmem的用法和样例：

例句

1. We manufacture manual and control valves for water and wastewater industries.
   本公司为供水和废水处理工业制造手动阀和控制阀。
2. Highly treated wastewater cannot be piped directly into a water supply.
   高废水处理不能以管子输送直接进入水供给。