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自然崩落采矿法
释义
自然崩落采矿法
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工学
阶段崩落采矿法
释
spontaneous caving method
自然崩落采矿法
在位于阶段水平矿块的底部开展大面积的拉底,在侧部用巷道和深孔爆破切帮后,矿石在阶段的整个高度上借自重与地压作用逐渐使矿石自然崩落并破碎成适当块度的采矿方法。
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polarization converter
polarization correlation
polarization crosstalk
polarization current
polarization currents
polarization curve
polarization dependent loss
polarization discrimination
polarization diversity and combining
polarization division multiplexing,PDM
polarization doping
polarization drift
polarization effect
polarization ellipse
polarization ellipticity
polarization-encoded storage
polarization extinction method
polarization fading
polarization fluorimeter
polarization function
polarization Green function
polarization Green's function
polarization identity
polarization illumination
polarization index
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