• For effective drainage therefore, the entire site should be located above flood level at a minimum of 3 m above the water table, preferably on a gently sloping area.

    因此需要注意,为了保证有效排水整个地点应当过洪水水位高于地下水位至少3最好是地势略微倾斜的地区。

    youdao

  • For effective drainage therefore, the entire site should be located above flood level at a minimum of 3 m above the water table, preferably on a gently sloping area.

    因此需要注意,为了保证有效排水整个地点应当过洪水水位高于地下水位至少3最好是地势略微倾斜的地区。

    youdao

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