“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	opera stage in Houtu Taoist Temple of Jie Xiu opera stage in Macau A Ma Temple opera stage in Qiaoze Temple of Yicheng county opera stage in Shenyang Imperial Palace opera stage in Taishan Palace of Fuzhou opera stage in the former residence of Kung Hsiang-hsi opera stages at Quanzhou Yuanmiao Monastery opera stele inscriptions opera stone sculpture collected at Sun Yat-sen University opera students opera suit of a jacket with lining and trousers opera symbolism opera teachers opera technical director operate to the left operate to the right Opera Theaters of Bukit Mertajam, Penang operatic actor’s waist tag granted by Shengping Bureau of Qing Dynasty operatic brick engravings at City God Temple of Chengguan Town, Shengzhou City operatic carvings at Jiuxiang Chastity and Filial Piety Stone Archway operatic ceremonial weaponry of the Qing Dynasty in Lingbao City operatic composition operatic copperplate etchings of the Qing Dynasty operatic costumes collected at the Qing court operatic dress

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。