，护
肥;The topsoil has been almost completely washed away.
层土壤已差不多完全
冲走了。
词条纠错
X
topsoil GREGMAT专八
n. 
土(层)；耕作(层)
土(层)；耕作(层)时 态: topsoiled，topsoiling，topsoils
The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.
屯留煤矿副井井筒土段采用普通法施工,利用井外降水井疏干降水。
Effect of nutrient management on selected topsoil characteristics of a basalt derived Ferralsol in Dak lak ,Vietnam.
5 
管理对达拉克(Daklak)一种玄武岩发育的铁铝土基本些土层性质的影响 Table 5.
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topsides, topsin, topslicing, topsman, top-socket, topsoil, topspin, Topstar, topstitch, Topsy,
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