2) fracture
[英]['fræktʃə(r)] [美]['fræktʃɚ]
裂面;断裂
3) base-plate breaking
底板断裂
4) roof breaking
顶板断裂
1.
Based on caculation of three-dimensional finite element method and field ob-servatiOn results,this paper studies the antielasticity mechanism,affecting factors and the re-lation between abutment characteristics and roof breaking and discusses the engineering signifi-cance of anti-elasticity.
借助三维非线性有限元计算和现场实测结果，对“反弹”机理、影响因素、显现特征与顶板断裂的关系进行了探讨，并对其工程意义作了评述。
5) Plate break
钢板断裂
6) the fractured roof
断裂顶板
1.
A mechanical model for the fractured roof and truss system is established based on stability theory for elastic system and analysis of stability of a dynamic system.
应用弹性系统稳定性理论对断裂顶板－锚拉支架系统建立了动力系统稳定性分析的力学模型。
补充资料：板刀面
1.江湖黑话。喻杀人后丢入水中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条