spherical joint
短语词组
- spherical sealing joint 球面结构
- spherical tube joint 球形管接头
- spherical rotate joint 球体转动接头
- spherical l joint 球形接头
- welded hollow spherical joint 焊接空心球节点
- spherical type universal joint 球形万向接头
- sliping spherical joint bearing 滑动球铰支座
- compound spherical joint 复合球副 返回 spherical joint