净化水的方法之一是让它从土中慢慢地渗出。
One of the ways to purify water is to make It 'spew slowly from the soil.
地基土的主要特征之一是成层性，因此有必要研究成层饱和地基上基础的扭转振动问题。
It is necessary to study the torsional vibrations of foundations on layered saturated grounds, since layered property is one of the main characteristics of grounds.
净化水的方法之一是让它从土中慢慢地渗出。
One of the ways to purify water is to make it spew slowly from the soil.
净化水的方法之一是让它从土中慢慢地渗出。
One of the ways to purify water is to make it spew slowly from the soil.
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