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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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reflecting telescope
reflection
reflection amplifier
reflection and intersection of shock wave and expansion wave
reflection and refraction of plane electromagnetic waves
reflection angle
reflection at critical angle
reflection attack
reflection barrier
reflection circle
reflection coefficient
reflection echo
reflection effect
reflection electron microscopy
reflection electron microscopy, REM
reflection field
reflection field methods
reflection filament
reflection formula
reflection-free potential
reflection geometry
reflection grating
reflection group
reflection high energy electron diffraction
reflection high-energy electron diffraction
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