常見例句雙語例句On the basis of above-mentioned study, the mechanism and reason of generating frictional noise are analysed. It is proved that the noise is generated by excited self vibration.在此基礎(chǔ)上分析和論証了摩擦噪聲産生的機(jī)理及槼律，表明：尖叫摩擦噪聲是由摩擦引發(fā)的高頻自激振動所致。 返回 noise self-generated