lateral of abutment pressure
...费矿山工程技术论文 关键词: 侧向支承压力;沿空掘巷;煤柱宽度;钻孔应力计 [gap=768]keywords: lateral of abutment pressure; road driving along next goaf; width of coal pillar; borehole stress ..
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... exothermic rate 放热率 side abutment 侧向支承压力 super heating steam 过热水蒸气 ...
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