copper screw hook 紫铜螺丝钩
copper-plated iron screw ring 镀紫铜铁吊环螺钉
Commercial Copper Screw-In Element 商业铜螺丝在元素
copper r screw 紫铜螺丝
copper r screw hook 紫铜螺丝钩
Main products: copper screw, rivet, hexagon copper post, push pull connector and communication connector etc.
主要产品：铜钉、铆钉、六角铜柱、接插件、通讯连接器等精密五金零件。
Discharging the capacitor may melt the tip of the screw driver and the copper on the printed circuit board.
放电的电容器可能会融化冰山的螺杆驱动和铜的印刷电路板。
The fire pump jointer of the utility model comprises an iron screw cap, a copper ring, and an iron body pump.
本实用新型解决了目前消防水泵接合器中铁螺旋盖和铁制体泵接口处的铜圈容易被盗窃的问题。
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