商代城邑已具有较完备的给排水设施。
There were fairly perfect supplies of water and drainages in the cities of Shang Dynasty.
例如，所有的住宅都有权使用清水和排水设施。
For example, all houses had access to water and drainage facilities.
城市排水管网是城市的重要基础设施。
Urban drainage pipe network is important establishment of a city.
金属矿山井下排水排泥系统是重要的安全生产设施。
Drainage and mud system on underground are important safety production facilities in metal mine.
金属矿山井下排水排泥系统是重要的安全生产设施。
Drainage and mud system on underground are important safety production facilities in metal mine.
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