释义 |
底火dǐhuǒ 1.指增添燃料以前炉灶中原有的火。{fire in a stove before new fuel is added} 2.枪弹或炮弹底部的发火装置,是装着雷汞的铜帽或钢帽,受撞针撞击时,就引起发射药的燃烧。{primer; ignition apparatus on the base of a bullet or cannon ball, a copper or steel cap containing mercury fulminate that ignites propellant powder when struck by a firing pin} |