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

单词	design of underground mining
释义	design of underground mining Encyclopedia 工学地下开采设计释 design of underground mining地下开采设计通过调查研究，经技术和经济等方面的综合研究和反复比选，确定地下开采主要技术方案，为地下矿山建设和生产提供有技术依据的文件和图纸的活动。
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