1) perforated muffler
穿孔类消声器
1.
Corresponding results have been obtained as follows: the fluid dynamics of perforated muffler is better than the non-perforated mu.
得出结论:,穿空管消声器的流体动力学性能要好于非穿孔类消声器,对膨胀腔冲击比较小;在相同边界条件下,穿孔管消声器的压力损失大于非穿孔类消声器。
2) non-perforated muffler
非穿孔类消声器
3) Microperforated muffler
微穿孔板消声器
4) perforated tube silencer
穿孔管消声器
1.
Acoustic attenuation performance calculation and analysis of straight-through perforated tube silencers;
直通穿孔管消声器声学性能计算及分析
5) micro-perforated pipe muffler
微穿孔管消声器
6) 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。
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