会议议题 1.现代采矿技术 Modern coal-field development and Mining technology 2.矿山火灾、煤尘及瓦斯防治 Mine gas, fire and dust control 3.矿井通风新技术 Mine ventilation technology 4.矿山高温热害防治 Prevention and control for mine high-temperature hazards 5.矿山水害防治 Mine water hazards 6.矿