coal pillar at working face
coal pillar at working face
工作面煤柱
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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