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sewage drain

美英

un.下水道

sewage drain

sewage drain

英-汉网络释义

sewage drain

下水道

直角三角形_馆档网 ... "下水处理"," sewage disposal" "下水道"," sewage drain" "下水管"," sewage pipe" ...

1

water seal dust dipper auto sewage-drain device is arranged at the bottom of the shell body .

水封灰斗自动排污装置设置在所述壳体的底部。

2

Conditions are often poor : Dolphins are sometimes kept in small pools and exposed to sewage drain-off and other pollutants .

事实上，海豚的处境很糟糕：有时，海豚会被饲养在很小的水池里，任由下水道污物和其他的污染源污染。

4

A concrete example of grouting and strengthening engineering of sewage drain pips of Shenzhen City

深圳市污水排海放流管注浆加固工程实例

5

Inquire into Sewage Drain and Head Water Pollution

污水排放与水源污染的探讨

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