1) micro-perforated plate muffler
微孔板消声器
2) Microperforated muffler
微穿孔板消声器
3) Tiny hole noise silencer
微孔消声器
4) micro-perforated pipe muffler
微穿孔管消声器
5) microperforated-panel composite attenuation
微穿孔复合消声器
1.
It indicates the application of microperforated-panel composite attenuation in denoising.
分析了冷却塔噪音的组成及频谱特性,介绍了降噪的治理方案和设备,结合工程实际说明了微穿孔复合消声器在降噪中的应用。
6) Small Hole Silencers
小孔消声器
1.
By analyzing the sound attenuation characteristic of Small Hole Silencers and the reason of exhaust noise,the compressor noise was controlled after the Small Hole Silencers was installed on the exhaust port;the effect is very obvious.
通过分析小孔消声器的消声特性和排气噪声的产生机理,在排气口处加装小孔消声器,使该压缩机噪声得以很好的控制,效果十分显著。
补充资料：成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
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