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
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