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澳大利亚Mine ARC Systems公司生产出了供煤矿和金属矿工人在危险状况下或者在有毒介质中使用的避难室,这种避难室可以在全矿铺开,形成可以让所有井下工人进入的避难室网。只
Mine ARC Systems of Australia produces refuges for mine and metal miners in hazardous situations or in toxic media that can be rolled out across the mine to create a refuge network that will allow all downhole workers to enter . only