Xov xwm
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Torsional crankshaft txav thiab harmonics
Txhua lub sij hawm lub tog raj kheej hluav taws kub, lub zog ntawm combustion yog imparted mus rau lub crankshaft qws journal. Cov ntawv xov xwm rod deflects nyob rau hauv ib tug torsional motion mus rau ib co degree nyob rau hauv no quab yuam. Harmonic vibrations tshwm sim los ntawm torsional motion imparted ntawm lub crankshaft. Cov harmo no...Nyeem ntxiv