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关注：1
2013-05-23 12:21
求翻译：不锈钢电动超高真空插板阀是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
不锈钢电动超高真空插板阀
问题补充： |
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2013-05-23 12:21:38
Stainless steel electric ultra-high vacuum flapper valve
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2013-05-23 12:23:18
stainless steel electric ultra high vacuum-plug valve
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2013-05-23 12:24:58
Stainless steel electrically operated ultrahigh vacuum gate valve
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2013-05-23 12:26:38
Stainless steel ultra high vacuum gate valve
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2013-05-23 12:28:18
Sealing doors
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