residuum
特殊用法cracked residuum [residue]1.■裂化渣油final residuum1.■最后残渣; 渣油heavy liquid residuum1.■重质液体残油hydrogenated residuum1.■加氢后残渣long residuum1.■久沸残渣short residuum1.■脆残油; 真空(塔)蒸馏残渣; 浓缩残油steam-refined residuum1.■汽炼渣油; 蒸汽精制油topped residuum1.■拔顶残油vacuum residuum1.■减压渣油