earth covering meaning in English
覆盖土层
粘土心墙堆石坝
Examples
- He saw this solid green earth cover passing underneath for hours unbroken .
他看到这片郁郁葱葱的绿色地毯一连几小时在下面连绵不断。 - Safety code for design of underground and earth cover store of powders and explosives
地下及覆土火药炸药仓库设计安全规范 - In all types of soil , lateritic red earth covered over 70 % of the total area , ranking first
水稻土有较长耕作历史，并已形成了潜育层和潴育层，但土壤肥力并不高。