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关注：1
2013-05-23 12:21
求翻译：3、在适当部位安装消声器以降低空调通风系统的噪音。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
3、在适当部位安装消声器以降低空调通风系统的噪音。
问题补充： |
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2013-05-23 12:21:38
Installed in the appropriate parts of the muffler to reduce noise of air conditioning and ventilation systems.
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2013-05-23 12:23:18
3, at the appropriate site installing the muffler to reduce air-conditioning and ventilation system noise.
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2013-05-23 12:24:58
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2013-05-23 12:26:38
3, install appropriate parts muffler to reduce noise of air conditioning and ventilation systems.
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2013-05-23 12:28:18
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