渗水土路基的英文:
permeable soil subgrade
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。
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。
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。