爆破采煤的英文

coal blasting

• 爆破:    blow up; blast; bu ...
• 采煤:    cut coal
• 长孔水封爆破采煤法:    long-hole infusion ...

例句与用法

1. Longwall and longhole blasting coal mining method for difficult mining seam
   难采煤层巷道长壁长孔爆破采煤方法简介