1) coal seam rupture angle
煤体破裂角
1.
Based on theory analysis and practical survey in testing ground,had studied influence factors such as caving height,work resistance of supports,coal seam rupture angle,main roof rotary angle and stopping mining time.
通过理论分析和现场实测,研究了采高、支架工作阻力、煤体破裂角及节理面倾角、老顶回转角和停采时间等对采煤工作面煤壁片帮的影响。
2) coal fracturing
煤体破裂
3) broken coal rock mass
破裂煤岩体
4) the failure zone width of side coal-wall
煤体破裂区厚度
1.
A calculation method of the failure zone width of side coal-wall of roadway in seams;
煤巷煤体破裂区厚度的一种计算方法
5) coal and rock break
煤岩破裂
1.
The prevention of quake produced by coal and rock break is a worldwide problem.
煤岩破裂产生震动的防治是世界性一大难题。
6) Fracture angle
破裂角
补充资料:标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
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