短語詞組短語the surface of soil 土壤表面basal surface chalk soil 風(fēng)化面白堊土ecific surface of soil 土壤比表面surface of soil road 土質(zhì)路面surface e soil 表面土壤surface clayey soil liner 表層粘性土surface of soil 土壤表面specific surface of soil 土壤比表面;土壤表面比surface soil stabilization 淺層土加固 返回 surface soil