bottom settlings底沉积物;底部沉淀;残油;翻译
bottom settlings and water底部沉积物及水
conversion of waste settlings废渣转化
spent grains settlings滤槽
同义词：dregsgrounds
N-PLURAL（复数型名词） any matter or substance that has settled at the bottom of a liquid; sediment; dregs 沉积物