在成桥状态下，分析了不同外倾角对异形空间组合拱肋拱受力性能的影响。
Influence of different camber Angle on special-shaped spatial combination arch-rib arch mechanical behavior is analyzed under completion state.
建立大倾角煤层回采巷道锚杆支护的倾斜组合梁模型，并进行解算，给出锚杆支护参数的表达式。
Inclined combined beam model with roof bolted are presented and solved, the expressions of support parameters of bolt are derived.
采用自同步定向激振理论设计，将重力自溜与振动出矿融为一体的YZZ型振动助流器，具有分节组合、大倾角、无侧板的结构特点。
YZZ vibration flow aiding machine is a newly developed ore drawing device, which is devised on the basis of the theory of autogenuous synchronization and directional vibro excitation.
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