Ntau zaus, yam uas ua rau lub cev muaj zog vibration yog ib qho teeb meem dav.Tsis suav nrog kev cuam tshuam ntawm lwm yam, cov kabmob lubrication system, rotor qauv thiab qhov sib npaug, cov khoom siv lub zog, thiab cov khoom siv hluav taws xob sib npaug hauv cov txheej txheem tsim lub cev yog tus yuam sij rau ...
Nyeem ntxiv