短語(yǔ)詞組短語(yǔ)unsprung mass vibration 非懸架質(zhì)量振動(dòng)motion of unsprung mass 非懸架質(zhì)量運(yùn)動(dòng)secondary motion of unsprung mass 非懸架質(zhì)量的二階振動(dòng) 返回 unsprung mass