Noise-reducing muffler 降噪消声器
Muffler Noise Reduction Equipment 消音降噪设备
MICROJET NOISE AND MICROPORE DIFFUSER-MUFFLER 小孔喷注噪声和小孔消声器
We make a comparison in tailpipe noise between straight pipe and muffler, it is seen that there is a sharp peak in low frequent.
通过直管噪声与带消声器的尾管声压级的对比，发现在低频段有一峰值。
With the noise legislation being strict, it is becoming more important for the design of automobile intake muffler.
随着汽车噪声控制法规的日益严格，开发适合车用的进气消声器变得愈加重要。
By analyzing the exhaust noise frequency spectrum and the exhaust noise control methods, the muffler is considered a effective way of controlling exhaust noise.
通过对排气噪声的频谱分析及对排气噪声控制方法的讨论，认为消声器能有效控制排气噪声。
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