【摘要】 介绍北皂煤矿合理确定轻放支架技术改造方案及技术参数 ,成功应用轻放工艺 ,取得较好经济效益 ,为类似矿区提供了可借鉴的经验更多还原

【Abstract】 This paper introduces that Beizao coal mine makes rationally sure about the technical projection and technical parameters of transformation to light weight hydraulic caving support.The technology of light weight hydraulic caving is successfully used.This transformation gives good economic benefit and some experiments that can be minored to the similar mine.更多还原