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关注：1
2013-05-23 12:21
求翻译：聚四氟乙氟乙稀是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
聚四氟乙氟乙稀
问题补充： |
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2013-05-23 12:21:38
Polytetrafluoroethylene fluorine ethylene
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2013-05-23 12:23:18
chlorofluorocarbons (CFCs) gathered together 4 CFCs (chlorofluorocarbons) b b.
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2013-05-23 12:24:58
The polytetrafluoro second grade fluorine second grade is thin
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2013-05-23 12:26:38
Gather four fluorine fluorine second rarly
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2013-05-23 12:28:18
together (CFCs), 4 (CFCs), B, B;
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