Based on the spatial analysis method of elasticity mechanics, the relation between the shape of the plane stope and horizontal construction stress was analysed.
利用弹性力学的空间分析方法分析了采场平面形状与水平构造应力之间的关系。
This paper provides a new construction method used when the horizontal projection of the plane Angle is equal to its space Angle.
本文提出平面角的水平投影与其空间角相等时新的作图方法。
J2 method - inlet of inclined plane and horizontal plane into 60 degree Angle.
J2 制法--进料口的斜面与水平面成60度角。
J2 method - inlet of inclined plane and horizontal plane into 60 degree Angle.
J2 制法--进料口的斜面与水平面成60度角。
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