同时建议污水收集系统先行；
The drainage system should be built ahead of the Wastewater treatment plant.
这是非常基本的生活，没有污水收集系统和每日会收集污水。
It was very basic with no sewerage system and the effluent was collected daily.
这是非常基本的生活，没有污水收集系统和每日会收集污水。
It was very basic with no sewerage system and the effluent was collected daily.
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