汽车排气消声器
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automotive exhaust muffler
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The acoustic analysis model for an automotive exhaust muffler is built, and the transmission loss of exhaust muffler is measured by test and also simulated by using both FEM and BEM.
建立某汽车排气消声器的声学分析模型，采用有限元法和边界元法对排气消声器的传递损失进行了仿真分析和试验测试。
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