distillation residue meaning in Chinese

蒸馏残余物
蒸馏残渣

Acidity of distillation residues or hydrocarbon liquids , method of test for
蒸馏残余物或烃液的酸性试验方法
Standard test method for acidity of hydrocarbon liquids and their distillation residues
烃类液体及其蒸馏残余物酸度的标准试验方法
Testing of used oils ; determination of the percentage of water , solvents and the distillation residue in used oil ; distillation method
废油的检验.测定水分的百分率.用过油中的溶剂和蒸馏