The invention comprises an end closure, a base and a locking mechanism of a connector, and a ball connecting rod connected therewith.
本发明包括：连接器的端盖、底座、锁紧机构和与其连接的球形连接杆。
The front connector includes an inner cylinder, a steel ball, a loop, a spring and a collar.
前连接器包括内筒、钢珠、活套、弹簧和卡圈；
The front connector includes an inner cylinder, a steel ball, a loop, a spring and a collar.
前连接器包括内筒、钢珠、活套、弹簧和卡圈；
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