“preliminary design of deposit mining”的概念、定义、翻译、参考文献-科学参考

单词	preliminary design of deposit mining
释义	preliminary design of deposit mining Encyclopedia 工学矿床开采设计工作释 preliminary design of deposit mining矿床开采初步设计在矿床开采可行性研究工作的基础上，进一步细化、比选、论证、确定矿床开采总体方案和各系统技术方案，选定主要设备规格、计算确定技术经济指标和编制总概算等活动。
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