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深凹露天矿通风
释义
深凹露天矿通风
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工学
矿床露天开采
释
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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subjects of national unified examination for admissions to general universities and colleges
Subject To Change: Creating Great Products & Services for an Uncertain World: Adaptive Path on Design
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sublethal damage repair
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sublevel caving method without sill pillar
sublevel caving method with sill pillar
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更新时间:2026/1/17 20:37:39