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。
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。
With the noise legislation being strict, it is becoming more important for the design of automobile intake muffler.
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