...息 关键词：世界核电；主要堆型；研发历史；现状和发展趋势 [gap=613]Key words：world nuclear power；leading reactor types；development history；status and trend of development ...
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通过对硬岩型铀矿坑口堆浸法的工艺流程分析，总结出坑口堆浸成本由矿石开采费用、主要原材料费用等14项要素组成，并建立了地质经济评价模型。
By analyzing the technical flow of pithead heap-leaching uranium deposits of hard-rock type, the authors analyze its 14 cost items such as ore mining fee and major materials fee etc.
沥青混凝土心墙堆石坝是土石坝的主要坝型之一。
Asphalt concrete core-wall rockfill dam is one of the main types of earth-rock dam.
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