介绍了综采工作面设备安装的施工方法。
Introduced the installation and construction methods of fully mechanized mining face equipment.
介绍了中厚煤层回采工艺的具体施工方法和效果，同时介绍了工作面支护参数的计算。
The concrete construction methods and effects of mining technology in the middle thick coal seam are introduced.
前言： 介绍了在被保护层底板巷向保护层工作面施工下向穿层钻孔，抽采保护层工作面采空区瓦斯的具体做法，并对取得的效果进行了分析总结。
This paper introduced the technical of using drilling downward hole from working surfale in protective coat bottom tu pull out goaf gas, and the effects were analysed and summarized.
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