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基础研究成果正在用来发展普通凿岩-爆破-出矿采矿法的代用方法美国矿山局有一项不用炸药破碎硬岩的长期计划。水射流和机械破碎是这项研究的推动力。最终目的是开发
Basic research findings are being used to develop alternatives to conventional rock-blasting-ore mining The U.S. Bureau of Mines has a long-term plan to crack hard rock without explosives. Water jets and mechanical crushing are the driving forces behind this research. The ultimate goal is to develop