Flat sites can present serious problems for the drainage of waste and storm water.

地势平坦的地点可能会有污水排放和暴雨后积水的严重问题。

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Flat sites can present serious problems for the drainage of waste and storm water.

地势平坦的地点可能会有污水排放和暴雨后积水的严重问题。

youdao