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关注:1
2013-05-23 12:21
求翻译:回火为什么先关氧气阀是什么意思? 待解决
悬赏分:1
- 离问题结束还有
回火为什么先关氧气阀
问题补充: |
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2013-05-23 12:21:38
Why first off the oxygen valve tempering
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2013-05-23 12:23:18
Why Is oxygen flash-back valve
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2013-05-23 12:24:58
Why does the tempering turn off the oxygen air valve first
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2013-05-23 12:26:38
Tempering why closed oxygen valve
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2013-05-23 12:28:18
Why first off the oxygen valve tempering
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