Roof fall accident is one kind of dangerous accidents happened at underground mines and underground pressure management is the main task of mining safety management.
2
金属矿山实行安全管理是确保安全生产的重要措施,而合理的安全管理体系是矿山安全管理的根本保障。
The implementation of safety management in metallic mine is an important method to guarantee safety in production, while reasonable safety management system is basic for mine safety management.
3
第四章矿山企业的安全管理。
CHAPTER IV SAFETY MANAGEMENT OF MINING enterprises.