percussion cap meaning in English
雷管，发火帽。
Examples
- 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 - 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