研究与分析生产矿井采与掘的各种关系,因地制宜的引进和推广各种先进技术,严格掌握生产与准备的各种比例关系,全面规划,统筹安排,狠抓四个(矿井、水平、采区、采面)接替,积极贯彻“采掘并举,掘进先行”的方针,是确保采掘基本平衡行之有效的方法。 Research and analyze the various relationships between mining and digging in production mines, introduce and promote various advanced technologies according to local conditions, strictly control the various proportional relations between production and preparation, comprehensively plan and make overall arrangements, pay close attention to the four (mine, horizontal and mining District, mining face) to succeed, and actively implement the “mining simultaneously, leading the advance” approach is to ensure that the basic balance of mining effective method.