resistance slot
... 飞边仓 cutter or flash gutter 阻力沟 resistance slot 排气孔 vent hole ...
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介绍了下沟煤矿综放开采支架选型与工作阻力的确定以及支架的适应性。
The paper introduces type choose and working resistance determining of powered support and its application in longwall with top-coal caving face of xiagou mine.
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