摘要
本文根据国外矿井开拓技术的发展状况将其归纳为十大特点,进行了较全面而深入的分析,结合我国煤矿建设和生产实际,提出了某些对我们有益的启示。
On the basis of the development of colliery abroad, ten features are summed up and analysed. And some useful enlightenment is put forward in view of the construction and production practice of colliery in China.
关键词
矿井
开拓
煤层
开采
mine development
coal layer
mining
