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.
利用快速拉格朗日分析方法,单因素分析了工作面斜长和构造应力对煤层底板应力应变的影响。
In this paper, by usage of Fast Lagrangian analysis of Continua, analysis the coal seam floor's stress and strain regularity influenced by the facing length and the construct stress.
介绍了杜儿坪矿南一中组76106、76108工作面原设计为高档对拉现改为综采背拉开采的方法。
The method to replace high-grade double-unit conventional face by backed double-unitfully-mechanized face on 76106 and 76108 face in Du'erping mine is introduced.
介绍了杜儿坪矿南一中组76106、76108工作面原设计为高档对拉现改为综采背拉开采的方法。
The method to replace high-grade double-unit conventional face by backed double-unitfully-mechanized face on 76106 and 76108 face in Du'erping mine is introduced.
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