“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	throttle steam distribution throttle-type silencer，blow-off silencer throttle value throttling expansion refrigeration effect throttling kill manifold throttling marks throttling process Through a Glass Darkly through-air thermal bonding Through-back Boxing through casing resistivity logging device throughflow through-focus image through-hardening through-hole coating through-illumination through line of the action in the whole play throughput throughput capacity throughput-intensive application through site selection to build the emperor's recreation and hunting places through the back of paradox Through The Lens Flash Through the Looking-Glass, and What Alice Found There Through Thick and Thin

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。