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来源:雅诚德英语网
These soils usually contain large amounts of clay and easily become water-saturated.
这些土壤通常含有大量的粘土,很容易变成水饱和状态。
These soils usually contain large amounts of clay and easily become water-saturated.
这些土壤通常含有大量的粘土,很容易变成水饱和状态。