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露天矿深孔台阶爆破
释义
露天矿深孔台阶爆破
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工学
露天矿深孔台阶爆破
释
deep hole bench blasting of open pit
露天矿深孔台阶爆破
炮孔直径大于50毫米、深度大于5米,工作面以台阶形式推进的露天矿爆破工艺。是应用最广的一种露天矿爆破方法。
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medicine in Qing Dynasty
medicine in Song Dynasty
medicine in Spring and Autumn and Warring states period
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Medicine King
medicine of Chinese ethnic groups
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Medicine Standard Promulgated by China Food and Drug Administration
medicine standard promulgated by Ministry of public health of the People's Republic of China
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Medicolegal autopsy
medico-legal expertise
medieval agricultural economy in Eastern Europe
Medieval Arabic Philosophy
medieval Byzantine law
Medieval Cities
medieval city law
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