The real detecting result shows that it is feasible to use the engine surface vibration signal to diagnose main bearing shell abnormal wear trouble.
现场实测结果表明，利用柴油机表面振动信号来诊断柴油机主轴瓦异常磨损故障是可行的。
Aiming for interior abnormal noise in one sedan, the main noise source which is engine intake system is identified by road experiment.
针对某轿车车内异常噪声现象，通过道路试验进行了噪声源识别，发现发动机的进气系统是异常噪声的主要来源。
Aiming for interior abnormal noise in one sedan, the main noise source which is engine intake system is identified by road experiment.
针对某轿车车内异常噪声现象，通过道路试验进行了噪声源识别，发现发动机的进气系统是异常噪声的主要来源。
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