Tubes of suit go back rotor iron chip with suit, cooperate with relevant equipment , realize iron core rivet automation.
用套装筒套装回转子铁芯片，配合相关设备，实现铁芯铆接自动化。
Precision spring(compression/tension/torsion/special-shape/battery spring), USB stainless clockwork spring, copper, iron and aluminum rivet, nail claw/claw pearl, and toy axle.
精密弹簧（压簧、拉簧、扭簧、异形弹簧及电池弹簧等）、USB不锈钢伸缩发条、铜铁铝铆（窝）钉、爪钉/管珠、玩具车轴。
What's the middle copper rivet for? But some spearhead is made all by iron?
中间的铜铆是何用途?可有些枪头又完全是铁造?。
What's the middle copper rivet for? But some spearhead is made all by iron?
中间的铜铆是何用途?可有些枪头又完全是铁造?。
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