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| 四〔全〕氯乙烯 | |||
| 四氯乙烯 (Cl2C： CCl2) | |||
| 四氯乙烯 (驱肠虫药；因对肝脏及神经系统有较大毒性；我国1982年已淘汰) | |||
| 四氯乙烯干洗剂 | |||
| 四氯乙烯 | |||
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tetrachloroethylene : 1 phrase in 1 subject |
| Textile industry | 1 |
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