illuvial clay沉积粘粒;淀积粘粒
illuvial depth淀积深度
illuvial types淀积类型
illuvial horizons淀积层
illuvial horizon[地质] 淀积层;沉积层;聚积层;堆积层
illuvial soil淀积土壤;淀积土;淋积土
illuvial humus淀积腐殖质
illuvial layers双层淀积
illuvial iron淀积铁