- forced torque drive
- 强制: force; compel; coerce
- 扭转: turn round; turn about
- 振动: vibrate; vibration; vibrance ...
- 强制扭转传动: forced-torque drive
- 扭转振动: torque vibration; torsion vibration; torsional mode; torsional oscillations; torsional vibration
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