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深凹露天矿通风
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深凹露天矿通风
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矿床露天开采
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ventilation for deep open pit
深凹露天矿通风
采用自然通风或人工通风的方式,实现深凹露天矿坑内的风流交换,使露天矿大气的品质达到规定标准的作业过程。
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