基本解释n.全氯乙烯同根派生 perchloroethylene相关词英汉例句用作名词 (n.)The Administration sought members views on a proposal to reduce the emission of perchloroethylene from dry-cleaning machines.政府当局就有关减少乾洗机排放的全氯乙烯的建议徵询委员的意见。perchloroethylene更多例句