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關(guān)注：1
2013-05-23 12:21
求翻譯：（1） The process gas is PF5 witth little F2,no water, we use viton as process seals, customer worried about the Corrosion resistance ，they asked the difference between viton and FFKM。是什么意思？ 待解決
 懸賞分：1
- 離問題結(jié)束還有
（1） The process gas is PF5 witth little F2,no water, we use viton as process seals, customer worried about the Corrosion resistance ，they asked the difference between viton and FFKM。
問題補充： |
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