“留矿采矿法”的概念、定义、翻译、参考文献-科学参考

单词	留矿采矿法
释义	留矿采矿法 Encyclopedia 工学房柱采矿法释 shrinkage stoping mining method留矿采矿法将矿块划分为矿房、矿柱，先采矿房，后采矿柱，自下而上分层回采，每次采下矿石靠自重放出三分之一左右，剩余矿石留在矿房内作为继续上采的工作平台；矿房全部采完后，再将留在矿房中的矿石再进行大量放矿的一种采矿方法。由于随回采工作的推进，矿房以敞空形式存在，靠围岩的稳固性和矿柱来维护顶板稳定，因此属于空场采矿法的一种。
随便看	potsherd potstone potted circuit potted flowers potted landscapes in the Palaces of the Qing Dynasty potter wasps pottery pottery and other handmade workshop pottery and stone figurines unearthed at Yang Sixu’s tomb pottery camels of the Northern Qi Dynasty pottery decorated with colour drawings pottery figures of warriors and horses in Mausoleum of First Emperor of Qin pottery figurine from Liu Hua Mausoleum pottery figurine from Two Cemeteries of the Southern Tang Dynasty pottery figurine of Ping Mausoleum Pottery Figurines from Tomb of Han Dynasty at Xiangshan pottery figurine singing and beating a drum pottery figurines in Yangjiawan pottery figurines of Erlitou pottery figurines of Southern and Northern Dynasties pottery figurines unearthed at Li Xian’s tomb pottery figurines unearthed at Princess Ruru’s tomb pottery figurines unearthed at Sima Jinlong’s tomb pottery figurines unearthed at South Tang Imperial Mausoleums of Nanjing City pottery figurines unearthed at Yuan Shao’s tomb of Panlongzhong Village

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。