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关注：1
2013-05-23 12:21
求翻译：堵住真空泵出气口、观察真空表显示是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
堵住真空泵出气口、观察真空表显示
问题补充： |
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2013-05-23 12:21:38
Blocked the vacuum pump outlet and observe the vacuum table shows
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2013-05-23 12:23:18
Vacuum pump outlet, and plug the vacuum table shows
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2013-05-23 12:24:58
Stops up the vacuum pump air outlet, the observation vacuum gauge demonstration
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2013-05-23 12:26:38
Plug the vacuum pumps outlet, observation table display
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2013-05-23 12:28:18
vacuum pump outlet, and plug the vacuum table shows;
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