自来水管理
water resource management
自来水管网信息
the Information of Water Supply Pipe Network
澳门自来水
macau water supply company
北京市自来水集团水质监测中心
water quality monitoring center
beijing waterworks group co.
Ltd.
长沙市自来水公司
Changsha drinking Water Company
大连经济技术开发区自来水公司
Tap Water Company in Dalian Economic and Technology Development Zone
当地的自来水公司
local water utility company
各人自管自
Let every tub stand on its own bottom
广州市自来水公司
guangzhou water supply company
Research Department of Guangzhou Water Works
杭州市自来水总公司
Hangzhou TaP Water General Corporation