Sumps use the weight of water and gravity to help soil's natural percolation.
污水坑使用水和重力的重量，以帮助土的自然渗透。
It is concluded that elastic parameters of rock has much influence on percolation test analysis.
因此，岩石弹性参数对渗流测试分析有着较大地影响。
It is concluded that elastic parameters of rock has much influence on percolation test analysis.
因此，岩石弹性参数对渗流测试分析有着较大地影响。
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