“shrinkage stoping mining method”的概念、定义、翻译、参考文献-科学参考

单词	shrinkage stoping mining method
释义	shrinkage stoping mining method 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	Collection of the Great Scholars' Classics Collection of Theoretical criticism monographs of classical Chinese literature collection of the South China Sea Pearl in China Collection of Three Series of Chinese Folk Literature Collection of Tone-system collection (of two or more authors) Collection of Wang Baigu Collection of Wang Sima Collection of Wang Wensu Collection of Wei Suzhou Collection of Wen Wenzhou collection of works Collection of Writing Paper Samples by Luoxuan , process printing, Tianqi era, Ming Dynasty Collection of Xie Wenyi Collection of Yang Zhonglie Collection of Yang Zhongmin Collection of Yanshan Collection of Yao Shaojian Collection of Yuan Cishan Collection of Yuan Yongzhi Collection of Yuan Zhen's Poems Collection of Yu Zhongsu Collection of Zangmizhai Collection of Zhai Jinsheng's Poems and Essays Collection of Zhang Donghai

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