roof-coal

常见例句

Mechanical model for the elastic thick outrigger of roof coal is set up.
建立了顶煤弹性深梁力学模型，分析了顶煤应力分布及顶煤破坏形式。
According to the conditions of seam No.5 in Shifengshan Coal Mine,longwall face roof coal drawing method is chosen.
通过对峙峰山煤矿5号煤采煤方法的设计,提出了采用综采放顶煤法回采5号煤。
This technique has been used successfully in the air-return gate oJ" 1310 fully mechanized roof coal caving face in Zhangcun Coal Mine.
该项研究在漳村1310综放面回风巷的工程实践中得到了成功应用和检验。
blasting mining with caving of roof coal
炮采放顶煤
She and I can't live under the same roof.
她和我不能住在一起。
fully mechanized coal face with caving of roof coal
综放工作面