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关注：1
2013-05-23 12:21
求翻译：Recycling of air–material separator exhaust to buildings shall be permitted if the system is designed to prevent both return of dust with an efficiency of 99.9 percent at 10 µm and transmission of energy from a fire or explosion to the building.是什么意思？ 待解决
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Recycling of air–material separator exhaust to buildings shall be permitted if the system is designed to prevent both return of dust with an efficiency of 99.9 percent at 10 µm and transmission of energy from a fire or explosion to the building.
问题补充： |
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