With the development of social economy, as the backward of coal mine production technology and production equipment and poor safety condition in our country, many coal mines are closed. So it is significant to improve coal mining technology and make the coal mining mechanized, and improve equipment and coal mining method and technology for the coal production in China.%随着社会经济的发展,我国许多煤矿由于生产技术和生产设备的落后,及安全条件差而导致被关闭.所以,提高煤矿开采技术政策,使煤矿开采技术机械化以及提高生产设备,改进煤矿的开采方法和技术工艺对我国煤矿的开采起着重要意义.
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