torsional oscillations

例句：

1. 1.The torsional oscillations of the spring are responsible for its flexibility.
   弹簧的扭转振动导致其具有弹性。
2. 2. The torsional oscillations of the spring are responsible for its flexibility.
   弹簧的扭转振动导致其具有弹性。
3. 3. The torsional oscillations of the spring are responsible for its flexibility.
   弹簧的扭转振动导致其具有弹性。