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集水坑引水口

260 bytes added, 23:52, 1 May 2015

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集水坑引水口，比其他引水口更深。来自河湖的水会经过地下水管道流向水井或集水坑，之后通常会进入饮用水系统的初始净化阶段。地下水管道的流入口位于低水位线的下方且很隐蔽。

水井为沉积物提供了一个可以沉降的地方，也可以保护水泵免受漂浮物的破坏。为了有助于净化，有时建造一个水泵需要两个集水坑引水口。

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