Abstract: with the mine production mechanization degree unceasing enhancement, as a traditional method of coalblasting fall coal mining machinery has gradually be replaced.
摘要：随着煤矿生产机械化程度的不断提高，作为传统采煤方法的爆破落煤已逐渐被机械采煤所代替。
2
The tunnels are filled with exhaust emissions, coal dust and the roar of blasting.
隧道里充满着排出的废气、煤尘和爆破声。
3
Mountaintop mining involves a highly destructive practice of blasting through hundreds of feet of mountaintop to get at thin but valuable seams of coal