点火孔的英文

breast door

fire hole

ignition hole

lighten hole

+更多解释...

例句与用法

The result shows that the movement of the propellant grains is complex and relative to the ignition system very much . guns with center tube ignition and flame - spreading system can alleviate the accumulation of the propellant effectively , and will have better performance
结果分析表明：火炮点火后膛内火药颗粒的运动情况十分复杂，其运动规律与点传火的方式密切相关，点火孔均匀分布的中心传火管点火方式可以有效的改善发射过程中火药颗粒在弹丸底部堆积的现象，获得更佳的发射效果。