watersupply

Watersupply and drainage engineering is sorted out engineering discipline, and it is a field of intercross multi-discipline.

摘要给水排水工程为工程学科类，是多学科互相交叉形成学科。

Water supply corporations is feazed by redwater even blackwater, users rebel for that, they even have suspicious with the watersupply corporations.

红水、黑水现象经常困扰各市供水企业，对此用户十分反，对自来水信誉产生了质疑。