该开采技术在工作面巷道布置上采用机采与普采混合，不规则刀形形状和对拉工作面布置，回采工艺采用了旋转调采等新技术。
This mining technology combined the fully mechanized mining with orthodox working face, and it layoutted irregular form and double unit face, adopted the rotational adjustment mining.
介绍了WKT CT 系统无线电坑透仪的基本原理，通过该系统在杜儿坪矿62 31 2工作面的成功应用，圈定各异常区，揭示了该工作面隐伏构造的位置及大小。
Introduces the principles of WKTCT system radio mine locator, by appling it on Duerping coal mine 62312 face, forecasts each struction unusual areas, to directly show the area′s position and size.
在此基础上，分析了该工作面回采过程中的突水机理和突水模式，提出了工作面在回采过程中应采取的防治水安全技术保障措施。
Water inrush mechanism and pattern in mining process have been analysed. At last, groundwater hazards preventing safety measures have been put forward for work face II622.
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