sewerage例句
It is supposed to be washed down the gutter and into the city's vast
sewerage system.
它应该是被沿排水沟冲入城市庞大的排水系统。
Sewerage systems are either'separate'or'combined '.
排水系统有 “ 分流制 ” 和 “ 合流制”.
The acid waste waters are discharged into a sump or the
sewerage system.
酸性废水被送往销毁池或阴沟系统.