排水沟
来自维基百科,自由的百科全书
排水沟(英語:street gutter、法語:caniveau)是排水系统中重要的一环,其用于将街边雨水排入下水道。主要作用为保护街边路人不受到被车辆激起的水花而困扰,并可以将水流流入循环系统加以进一步利用。
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