基本解釋n.全氯乙烯同根派生 perchloroethylene相關詞英漢例句用作名詞 (n.)The Administration sought members views on a proposal to reduce the emission of perchloroethylene from dry-cleaning machines.政府當局就有關減少乾洗機排放的全氯乙烯的建議徵詢委員的意見。perchloroethylene更多例句