【摘要】 本文根据调查统计及遥感资料，对我国近４０年以来煤矿主要灾害类型、特征、灾情等进行了系统分析研究，并针对煤矿生产现状与环境问题提出了相应减灾防御对策。更多还原

【Abstract】 According to a great deal of statistical and investigation data, the paper has systematically studied the main types, characteristics-and conditions of disasters in coal mine during recent forty years in China. To counter the environmental problems and development condition of coal mine, appropriate measures are given in this paper.更多还原