限位滑块的尾端装有弹簧，插销的顶部装有连接杆。
The tail end of the spacing sliding block is provided with springs. The top of the latch is provided with a link bar.
电工梯、电缆托架、电线牵引棒、电线分拨杆、开关插销、伸缩杆等电工电器用品；
Electrician ladder, cable bracket, wire traction stick, switch bolt, flex pole and other electric products;
电工梯、电缆托架、电线牵引棒、电线分拨杆、开关插销、伸缩杆等电工电器用品；
Electrician ladder, cable bracket, wire traction stick, switch bolt, flex pole and other electric products;
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