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关注:1
2013-05-23 12:21
求翻译:关闭装球室的入口手动阀和出口手动阀是什么意思?![]() ![]() 关闭装球室的入口手动阀和出口手动阀
问题补充: |
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2013-05-23 12:21:38
Close ball valve chamber inlet and outlet manual valve manually
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2013-05-23 12:23:18
closed manually installed ball room, the entrance and exit valve manually valve
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2013-05-23 12:24:58
The closure installs the ball room the entrance hand operated valve and exports the hand operated valve
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2013-05-23 12:26:38
Closed ball room the inlet valve and manually export manual valve
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2013-05-23 12:28:18
Closed ball room the inlet valve and manually export manual valve
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