1) air booth noise reduction
![点击朗读](/dictall/images/read.gif)
风亭消声
2) noise attenuated outlet
![点击朗读](/dictall/images/read.gif)
消声风口
3) fan muffler
![点击朗读](/dictall/images/read.gif)
风机消声
4) air duct noise reduction
![点击朗读](/dictall/images/read.gif)
风道消声
6) ventilation silencer
![点击朗读](/dictall/images/read.gif)
通风消声器
1.
The paper introduces the evaluation index of ventilation silencer;analyzes the test data and methods;dis-cusses the existing problems in the course of evaluation of insertion loss,dissipation coefflcient and flow noise;puts forward the improving suggestions so as to raise the practicability and contrast of the test data in laboratories.
介绍了通风消声器的评价指标,对检测数据和检测方法进行了分析,讨论了评价插入损失、阻力系数和再生噪声过程中存在的问题,提出了改进建议,以提高各实验室检测数据的实用性和可比性。
补充资料:风亭
1.亭子。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条