• 冻结冬季冻结作用冻土层内形成季节性固态地下

    The frozen perched groundwater is the seasonal soild state groundwater formed in the aeration frozen layer as a result of winter freezing.

    youdao

  • 冻结冬季冻结作用冻土层内形成季节性固态地下

    The frozen perched groundwater is the seasonal soild state groundwater formed in the aeration frozen layer as a result of winter freezing.

    youdao

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