单词：impervious soil
impervious soil的用法和样例：
例句
- Through studying the method of using the powder soil as the bottom basic unit of the superhighway, a kind of suitable steady type on mechanics and way-use performance was found.摘要通过对粉性土这种特殊土用作高等级公路底基层，进行稳定方法研究，寻找一种力学性能和路用性能都适宜的稳定类型，从而为广大使用者提供参考。
- An ample water supply is probably the greatest advantage of soil submergence for irrigated rice.大量供水可能对灌溉水稻淹水土壤有很大好处。
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