简述了P EXD型倒悬挂细碎颚式破碎机的力学行为和特点，包括运动学行为、力学分析和主要优点。
The paper briefly introduces the mechanics behaviors and characteristics about PEXD inverse hang fine jaw crusher, including kinematics behavior, mechanics analysis and main advantages.
用非线性岩石力学的理论和方法分析高陡复杂破碎地层的地质力学问题。
The geomechanics problem is analyzed to complex aloft-steep structure using the theory and method of the non-linear rock mechanics.
岩石力学性质和可钻性是分析和评价岩石抵抗破碎和钻进的基本性质，也是合理选择碎岩工具和工艺的基础。
The mechanical property and drillability of rocks are the basic quality available for analyzing and evaluating the anti fracture and drilling resistance of rocks.
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