孔底起爆 meaning in English
bottom initiation
bottom priming
Examples
- Application of bottom - initiated bomb in medium - length hole blasting in underground mine
地下中深孔孔底起爆弹应用实践 - The application and effects of hole - bottom detonating in medium - length hole blasting
论中深孔爆破孔底起爆的实施和应用效果