短語詞組短語torsional torsional vibration 扭轉振動bending torsional coupled vibration 彎扭耦合振動coupled torsional axial vibration 扭轉縱向耦合振動torsional free vibration 扭轉自由振動torsional sound vibration 扭轉聲振動bending -torsional coupled vibration 彎扭耦合振動Longitudinal -torsional coupled vibration 縱向lateral and torsional coupling vibration 橫扭耦合translational -torsional coupled vibration 平移 返回 torsional vibration