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- percussion cap copper 雷管用铜合金
- A device, such as a fuse or percussion cap, used to set off an explosive charge. 引爆器用来引爆炸药的装置，例如引线或火帽等
- The act of detonating a percussion cap in a firearm. 引爆使火器中的雷管爆炸的动作行为
- A small firework consisting of some gravel wrapped in tissue paper with a percussion cap that explodes when thrown against a hard surface. 掼炮一种由草纸包住一些砾石制成的小型鞭炮，其打火帽在与坚硬表面撞击时发生爆炸
- A device,such as a fuse or percussion cap,used to set off an explosive charge. 引爆器用来引爆炸药的装置，例如引线或火帽等
- The part of a gunlock that hits the primer or firing pin or explodes the percussion cap and causes the gun to fire. 击铁，击锤枪机中用来击发底火或击动撞针以击穿火帽，使得枪炮得以发射的部分
- Obviously, this sort of gun is easier to use than a flintlock or a percussion cap weapon. 历史学家对机枪的评价是其乃这一百年来最重要的发明。
- A percussion cap. 雷管
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Who is the boy in the official school cap? 那个戴校帽的男孩是谁？
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- A similar board used as a percussion instrument. 敲击板用作打击乐器的一种类似的板
- the part of a gunlock that strikes the percussion cap when the trigger is pulled. 当板机被拉动能够打击雷管的板机的一部分。
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- The cap should twist off easily. 这个帽儿应该容易拧开。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- Winning the medal was a feather in his cap. 获得奖章是他的荣誉。
