Controlling roof accidents and preventing the occurrence of bursting underground pressure are the priorities and difficulties to mine deeper isolated pillar face.
控制顶板事故，防范冲击矿压的发生是开采埋深较大的孤岛煤柱工作面的重点和难点。
And the angel of God, which went before the camp of Israel, removed and went behind them; and the pillar of the cloud went from before their face, and stood behind them.
在以色列营前行走神的使者，转到他们后边去，云柱也从他们前边转到他们后边立住。
As the core of staff and the pillar of family, middle-aged employees often face the turning point of their life and professional career.
中年员工作为员工队伍中的重要力量和家庭的重要支柱，中年阶段往往是其人生和职业生活的拐点。
Accordingly, the distribution of abutment pressure on the block coal pillar is measured at working face with a steeply inclined seam of the12010 face, NO.
据此原理，实测得到了平煤集团十三矿12010大倾角综放开采工作面走向支承压力和区段煤柱侧向支承压力分布。
This paper proposes a new working face ventilation system: top gas tunnel small pillar outside the bottom return air laneway layout, in other words, which is gas tunnel location evolution.
本文提出了一种全新的综放工作面通风系统：顶层瓦斯巷小煤柱外错底层回风顺槽布置，具体是一种放顶煤工作面顶板排瓦斯巷位置的改进。
The peak value of abutment pressures on coal pillar had a certain distance to the wall, and the distance reduced when the working face width increased.
煤柱支承压力峰值超前煤壁一定距离，且此距离随工作面长度加大而减小。
Combining with the geological case, oblique mining process at blasting face 34006 analyze the accepted force reason of collapsed pillar and introduce the preventing technique and achieved benefit.
结合340 0 6炮采工作面地质情况、俯斜开采及工艺，对工作面液压单体柱倒柱原因进行了受力分析，并介绍了防止液压单体柱倒柱技术及取得的效益。
Lengthening the width of isolated fully mechanized top coal caving face would reduce the abutment pressures for both wide and small coal pillars, and the coal pillar width could be reduced.
加长孤岛综放工作面长度，护巷大煤柱和小煤柱的支承压力均减小，可以减小护巷煤柱宽度。
The floor roadway should be located out of the abutment stress zone when protection coal pillar is retained, or the working face should be pushed away for enough distance under overhead mining.
留设保护煤柱时，底板岩巷应位于集中应力区的外侧或跨采时工作面应推过足够距离，使巷道靠近采空区应力恢复区的下方。
The sedan also receives the new face and its profile is now graced with a BMW-esque kink in its C-pillar.
房车也旧貌换新颜， 宝马式的C柱肌肉带给他优雅的侧面形状。
The sedan also receives the new face and its profile is now graced with a BMW-esque kink in its C-pillar.
房车也旧貌换新颜， 宝马式的C柱肌肉带给他优雅的侧面形状。
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