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介绍了陈四楼矿中央风井应用钻井法施工的工艺概况和在井壁设计制作及连接工艺，泥浆造粒和固化处理，深井内管充填技术等方面实现的技术进步。
The technical overview of application of the drilling method in the central shaft of the Chen Si Lou Mine and the technological progress in the design and fabrication of the shaft wall, the process of slurry granulation and solidification and the filling of the deep-well inner tube are introduced.