So exploring new technology and new equipment in coal mine enterprises large-scale comprehensivemechanization of mining equipment has the very vital significance.
为此，探讨新技术与新设备在煤矿企业大型综合机械化采掘设备中的应用具有重要的意义。
2
Introducing present situation of Chinese comprehensivemechanization tunneling technology, the difference between domestic and foreign technology is indicated in the paper.