the steep inclination of a roof.
斜而陡的屋顶
pitched the roof at a steep angle.
将屋顶搭成陡斜式
Roof breaking and moving laws in steep LONGWALL STOPE
急斜长壁采场顶板破断和岩块运动规律
Study on top coal caving below roof and floor in steep seam
急倾斜顶底板处顶煤放出规律研究
Stability analysis of basic roof after first destruction in the steep seam
急斜煤层初次破断后基本顶稳定性分析
Function of destruction and instability of basic roof in top coal caving of steep seams
基本顶破断失稳在急斜煤层放顶煤开采中的作用
A Caving Blast Test with a Detonating Fuse over the Tough Roof of a Group of Steep Coal Seams
急倾斜煤层群坚硬顶板导爆索爆破放顶试验
The roof's steep, a slight upward inflection, tile arrangement with the rafters fly with the Gansu.
屋顶坡度平缓，微微向上反曲，瓦陇排列与椽飞同。
Practice of first roof caving technology at comprehensive mechanical mining face in steep thick coal seam
急倾斜特厚煤层综放工作面超段高初次放顶的实践
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