紫铜铆钉；铜铆钉

copper mine───铜矿

copper wire───铜线

copper wires───铜线

copper pyrites───黄铜矿

copped it───抓住它

hopper light───倒开气窗；[建]内推下旋式窗扇

hopper vent───倒开气窗

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。

Each copper rivet on all Special saddle models is carefully hand hammered by skilled craftsmen.───车座的每个型号都有高级技师特别小心的手工锤制铜铆钉。

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?。

Besides, there's no reed on hilt, but a copper rivet.───另外，此剑柄上并无按簧，那是一个铜铆钉。

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？。

The statue to 120 tons of steel skeletons, 80 tons of copper rivet, 30 million for covering fixed in the assembly and weighing 225 tons.───整座铜像以120吨钢铁为骨架，80吨铜片为外皮，30万只铆钉装配固定在支架上，总重量达225吨。

According to material, can be divided into metal rivet, copper rivet, copper surface and metal foot rivet, die-casting rivet;───按材料可分为全铁撞钉，全铜撞钉，铜面铁脚撞钉，合金压铸撞钉；