The still sow eats up all the draff.
不声不响的猪吃光全部的饲料。
Draff is your errand, but drink ye would.
口称有事相扰，实为借口吃喝。
BIOSORPTION OF LEAD BY ISATIS INDIGOTICA FORT DRAFF
板蓝根药渣对低浓度含铅废水的吸附特性研究
Preparation of Aucubin from the Seed Draff of Eucommia Ulmoides Oliv
杜仲籽粕中桃叶珊瑚甙的制备
Determining Amounts of Organic Leach of Ion Exchange Resin by Evaporating Draff of Solutions
溶液蒸发残渣法测定离子交换树脂有机物溶出量的研究
Catalytic Hydroconversion of the Draff from Supercritical Fluid Extraction of Dagang Vacuum Residue with Active Carbon.
活性炭对大港减压渣油超临界萃取残渣的催化加氢
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