A.風(fēng)噪B.輪胎噪音C.發(fā)動(dòng)機(jī)噪音D.以上都是
A.Noise(噪聲)B.Vibration(振動(dòng))C.Harshness(聲振粗糙度)D.NVH
A.二輪單鼓B.二輪雙鼓C.四輪單鼓D.四輪雙鼓