我国是一个有色金属资源丰富、品种齐全、开采历史悠久的国家。人们在长期的生产实践中,为了有效地开采地下资源,适应矿床地质特点和开采技术条件的变化,不断地总结经验,围绕高效、优质、经济地采出地下矿石,寻求合理的采矿方法。随着采矿技术的发展,开采设备的更新,认识不断的深化,有些采矿方法改进了,使用围范扩大了;有些采矿方法 Our country is a country rich in nonferrous metals, full range and long history of mining. People in the long-term production practice, in order to effectively exploit the underground resources, to adapt to changes in the geological characteristics of mining and mining technology conditions, continue to sum up experience, around the efficient, high quality, economical mining underground ore, to seek a reasonable mining method. With the development of mining technology, the renewal and understanding of mining equipment has been continuously deepened. Some mining methods have been improved and the scope of application has been expanded. Some mining methods