短語詞組短語the surface of soil 土壤表麪basal surface chalk soil 風(fēng)化麪白堊土ecific surface of soil 土壤比表麪surface of soil road 土質(zhì)路麪surface e soil 表麪土壤surface clayey soil liner 表層粘性土surface of soil 土壤表麪specific surface of soil 土壤比表麪;土壤表麪比surface soil stabilization 淺層土加固 返回 surface soil