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Explosives and Explosive Ordnance Disposal
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这些制约着地下煤开采水平的混杂因素以及影响整个开采过程的地质因素、技术因素和经济因素复杂关系之间的相互作用、已在上文作了详细探讨
The motley of factors that constrain the level of recovery in underground extraction of coal and the complex interplay of geologic, technologic and economic factors affection the overall recovery process have been discussed above in detail
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