污水土地处理系统由哪几部分组成?
参考答案:
污水的收集与预处理设备;污水的调节、贮存设备,配水与布水系统;土地净化系统;净化水的收集、利用系统;监测系统。
In mountainous regions, much of the snow that falls is compacted into ice.
A.broken down
B.embedded
C.compiled
D.compressed