articulated pin
英 美
[机] 活节销
... articulated mobile crane 铰接流动式起重机 articulated pin 活节销 articulated rear axle 铰挡后轴 ...
When the screw is rotated, the convex pole of the screw suppresses the chain articulated pin of the chain and shoves the articulated pin to dismantle the chain.
转动螺杆，螺杆的凸柱压住链条的链条活节销，可以将链条活节销挤出，拆卸链条。
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