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关注:1
2013-05-23 12:21
求翻译:有机污染物多氯化联二苯(PCB's)是什么意思?![]() ![]() 有机污染物多氯化联二苯(PCB's)
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2013-05-23 12:21:38
Organic pollutants polychlorinated biphenyls (pcb's)
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2013-05-23 12:23:18
Organic Pollutants polychlorinated biphenyls (PCBs) 2 (PCB ' s)
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2013-05-23 12:24:58
Organic pollutant multi-chlorination phenylbenzene (PCB's)
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2013-05-23 12:26:38
Organic pollutants polychlorinated biphenyl (PCB's)
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2013-05-23 12:28:18
Organic pollutants polychlorinated biphenyl (PCB's)
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