sym-tetrachloroethanesym-tetrachloroethane是什么意思、sym-tetrachloroethane怎么读读音:[英][美]sym-tetrachloroethane 基本解释 网络 均四氯乙烷化学重点词汇SYM[计] 符号, 系统, 制tetrachloroethanen. [化]四氯乙烷 最新更新词汇: oleaginousnessprogram modulesummary of factory wagesDemarquay's signfootsteps-of-springplaster impressionload-carrying additivemnemonic identifier更新时间:2026-03-25 06:54