“中国古代采矿选矿技术”的概念、定义、翻译、参考文献-科学参考

单词	中国古代采矿选矿技术
释义	中国古代采矿选矿技术 Encyclopedia 工学中国古代采矿选矿技术释 mining and oredressing techniques in ancient China中国古代采矿选矿技术中国古代的采矿可以上溯到石器时代对石器材料的选取。后来，随着冶金业的兴起，采矿和选矿技术也逐渐发展起来。主要技术包括露天开采、地下开采、井巷支护、岩石破碎、井巷通风、照明、排水、提运、选矿等。
随便看	national primary measurement standard in chemistry national primary pressure standard national primary scale topographic maps national primary standard for acidity (pH) national primary standard for combustion heat national primary standard for electrolytic conductivity national primary standard for humidity national primary standard for primary chemical purity national primary standard for viscosity national primary standard of measurement National Professional Standards for Sports Broker National Program for Acquisitions and Cataloging National Program for Agricultual Development,1956-1967 (Draft) National Programme for Protection of Wild Fauna and Flora and Development of Nature Reserves National Programme of China on Gradual Elimination Ozone Layer-Depleting Substances National Progressive Unionist Grouping Party National Project of Coastal Environment Investigation and Assessment,908 Project National Protection War national prototype of the kilogram national prototype of the kilogram for checking National Provincial Museum Director Professional Management Cadres Training Class national public relations National Public Security Commission National Public Security Organs Cross-regional Case Handling Cooperation Platform National Public Security Work Conference in the New Era

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