The surface water treatment systems without clarifying basin and Valveless Filter Base were introduced.

介绍了以地表水为水源的水处理系统设计中，不设计澄清池与无阀滤池的另类系统。

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The surface water treatment systems without clarifying basin and Valveless Filter Base were introduced.

介绍了以地表水为水源的水处理系统设计中，不设计澄清池与无阀滤池的另类系统。

youdao