万向

The jammed universal fairleader on poop deck to be freed up, regreased so as to make it work in good order.

艉楼甲板上卡住万向导缆器活络，加油使之工作正常。

Based on the method to design the 3-D knottiness gimbale transmission shaft,the torsion vibration is reducde,and the syntony is also avoided.

按此法设计计算三维空间多节万向传动轴可减系统扭振及避免共振。