1·A MILE below the surface in the Karkar coalmine in the Afghan province of Baghlan, the miners toil amid the ominous sound of cracking and splintering wood.
在阿富汗巴格兰省卡卡煤矿地下一英里处，矿工们正陷于木头破裂声所带来的不祥预兆中。
2·Wherever there's a road, there's a coalmine.
哪儿有路，哪儿就有煤矿。
3·Every few minutes, a black smudge, smattered with muddy puddles, denotes a coalmine.
每隔几分钟，就会看到一个黑点，表示那里是个露天煤矿，挨着些泥坑。
4·Finally, it brings forward some advice and countermeasures for the prevention of coalmine accidents.
最后依据此理论，提出控制和预防我国煤矿事故发生的措施和对策。
5·But since the high coal bed gas content and concentration largely affected coalmine safety in production.
但由于该区煤层瓦斯含量高、浓度大，成为煤矿安全生产的主要影响因素。