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??CCl4?C2Cl4

???,???C2-Cl4165.83?1.6311(15/4)?-22.4121?5.83?2.11kPa (15.8mmHg22)?10000?; ????????????(??)???^?,?????,??????,700?????????????

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????????70?????????????????????25PPM50PPM?????27PPM?????????????????????????????

??CCl4????????????????????????????????????????????????????????????????.

1.??????????????(20)1.595/???22.87677

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(somnambulate)???????? ????????????????????????? ???????????????????????????????? ???????????20?????????5???????????20????????????n?????????20??????????20??????????? ??????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????k???????????...

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?PCBA??

????; Trichloroethylene; Ethinyl trichloride; Tri; TCE; CAS79-01-6
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??,???C2-H-Cl3131.39?1.4649(20/4)?-7386.732.22(?)?420?4.53?13.33kPa(100mmHg32)??8.0%10.5% ?; ????; ?????????????????,???250600??????????????????
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