Our endless paving creates storm - water runoff that can be deadly to fish.

我们不断排放的污水有可能会对鱼类造成致命威胁.

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And they can reduce runoff into streets and storm water systems.

可以减少雨水流向街道和暴雨排水系统中.

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And they can reduce water run runoff into streets and storm water systermssystems.

它们也能减少水资源流到大街上并形成贮存水资源的系统.

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Many municipalities are now tackling this problem by separating their sewer and storm water systems.

现在许多市政当局,正试著以分割污水、雨水排水系统来解决问题.

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Storm - water run - off would be collected for irrigation , including for allotments and the trees that reduced - island effect.

排水端则需要收集雨水,用于浇灌树木,可减少绿岛效应.

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Design storm hyetograph is the essential element for hydrologic modeling analysis and storm water drainage design.

设计暴雨雨型对水文模式分析与暴雨排水设计是不可或缺的基本要素.

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