“回采预留矿柱”的概念、定义、翻译、参考文献-科学参考

单词	回采预留矿柱
释义	回采预留矿柱 Encyclopedia 工学回采预留矿柱释 ore pillar for mining回采预留矿柱为保护地表地貌、地面建（构）筑物和主要井巷，分隔采区或矿段，以及防水等而留设不采或暂时不采的部分矿体。煤矿中也称煤柱。
随便看	natural economy natural ecosystem natural electric field effect of oil and gas reservoir natural embedding natural endowment natural enemy of rodent natural energy natural enumeration natural environment space design natural epidemic focus natural epimorphism natural equation natural equivalence natural erosion natural exponent natural extension natural fade document natural family planning natural fermentation natural fertility natural fiber natural fiber reinforcements natural field electrical methods natural filter natural filtration

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。