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灰化淀积层
释义
灰化淀积层
Encyclopedia
农学
灰化淀积层
释
spodic horizon
灰化淀积层
具有灰化淀积物质(有机质和铝或有机质和铁、铝)淀积的土层。由螯合淋溶作用形成的一种淀积层。是在高山冷湿的针叶林木下,真菌分解凋落物产生的可溶性腐殖质与矿物表面风化出的铝和铁发生强烈的络合作用,可溶性络合物随降水下渗并积聚在B层的结果。
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downgraded predication
down grinding
down hair
Down Hill
downhill
downhill folding
down-hill method
downhole bums
down hole electric heating
downhole electrodrill
downhole junk
downhole motor
down hole motor drilling
downhole operation
downhole pressurized jet assisted drilling system
downhole throttling method
downhole throttling technology
down-hole tool
Downing Park
down-ladder
down-ladder operator
downlead
down-leg light time
downlink
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