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| di-p-chlorophenyl dichloroethane; 2,2-bis -l,1-dichloroethane; 2,2-bis p-chlorophenyl-l,1-dichloroethane | |||
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双 氯苯二氯乙烷 : 5 phrases in 2 subjects |
| Chemistry | 3 |
| Water resources | 2 |
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