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| 岩石破碎比能耗破碎单位体积岩石所消耗的能量。用规定的方法来破碎不同岩石,所测得的破碎比能耗可用来衡量岩石的坚固性,其中凿碎比能可作为岩石可钻性指标，爆破 Im³矿岩所消耗的炸药量可作为岩石可爆性指标 | |||
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