摘要
根据自身村庄密集、压煤严重的状况,积极将轻型放顶煤技术应用于建筑物下条带开采,提高了煤炭资源回收率和生产效率。
In spite of close Villages and large Safty Coal Pollars, both recovery rate and production efficiency are increased by applying the light caning thchnique to partia extraction uneler the buildings.
出处
《河北能源职业技术学院学报》
2002年第3期67-68,共2页
Journal of Hebei Energy College of Vocation and Technology
关键词
轻型放顶煤技术
密集村庄
应用
light caving technique , close villages, application