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渗水土路基的英文怎么说

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渗水土路基的英文:
permeable soil subgrade

permeable是什么意思
a. 有浸透性的,能透过的

This membrane is semi-permeable.
这层膜是半渗透性的。

The waste material is placed in cells with permeable membranes
废液置于有渗透膜的槽中。

The major difference is that geological structures have limited permeability.
主要的问题是地质结构的渗透性有限。

soil是什么意思
n. 土地,土壤;国土,领土
v.(被)弄脏

He died on British soil.
他死于英国。

The soil is difficult to work with.
这块污迹很难处理。

The fertilization of soil is a subject to the farmers.
肥料的施用对农民来说是一门学问。

subgrade是什么意思
地基; 路基

Road bed is the subgrade on which are laid the ballast, ties and rails.
路基就是上面铺着道渣,枕轨和钢轨的底基。

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