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关注：1
2013-05-23 12:21
求翻译：那么如果是这样，我们是否仍然需要在回风格栅上加装防火风闸呢是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
那么如果是这样，我们是否仍然需要在回风格栅上加装防火风闸呢
问题补充： |
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2013-05-23 12:21:38
Well, if so, whether we still need to install the return air grill fire damper on it
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2013-05-23 12:23:18
Well, if that is the case, do we still need the back gate on retrofitting style fire dampers?
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2013-05-23 12:24:58
If then was this, whether we still did need in returned to on the wind grill to install guards against the hot dry wind floodgate
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2013-05-23 12:26:38
If so, do we still need to install fire-air damper to the back on the grille
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2013-05-23 12:28:18
Well, if so, whether we still need to install the return air grill fire damper on it
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