临界扭转振动 critical torsional vibration ; critical torsional vibration torsion balance

内燃机轴系扭转振动 torsional vibration of engine crankshaft

轴系扭转振动 torsional vibration of shafting ; shaft torsional vibration

扭转振动图 torsiogram

强迫扭转振动 forced torsional vibration

扭转振动记录仪 torsiograph

扭转振动形式 torsional mode

轴系扭转振动测试 shafting torsional vibration test

船体扭转振动 hull torsional vibration