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介绍了应用综放设备回收两种不同形式阶段煤柱技术工艺过程和特点，指出了一条扩大应用综放技术道路。
The paper introduces the technological process and characteristics of two different forms of pillars recovery using fully mechanized top-coal caving equipment, and points out a way of expanding the application of fully mechanized top coal caving technology.