wastewater treawnent
英
美
- 废水处理
双语例句
- 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。 - 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。
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