对圆管周向和轴向振动两种振动模式进行了讨论。

The circumferential-direction vibration mode and axial vibration mode of the ceramic ring are discussed.

youdao

对圆管周向和轴向振动两种振动模式进行了讨论。

The circumferential-direction vibration mode and axial vibration mode of the ceramic ring are discussed.

youdao