rotary joint
参考词典中rotary joint的常规释义：
基本释义
- 回转接头，回转节，旋转联接，转动接头
英英解释
1个名词解释
- a freely moving joint in which movement is limited to rotation
[同] articulatio trochoidea, pivot joint, rotary joint, rotatory joint
[例]- the articulation of the radius and ulna in the arm is a pivot joint
点击查看……- a freely moving joint in which movement is limited to rotation
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