释义 n.[有化] 四氯乙烯；全氯乙烯 实用短语toxic effect of tetrachloroethylene四氯乙烯的毒性效应tetrachloroethylene standard solution四氯乙烯标准溶液tetrachloroethylene pce四氯乙烯tetrachloroethylene-13c1四氯乙烯tetrachloroethylene-1-13c四氯乙烯tetrachloroethylene 33四氯乙烯tetrachloroethylene 30四氯乙烯tetrachloroethylene standard for gc四氯乙烯tetrachloroethylene