“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	near-infrared Fourier transform surface-enhanced Raman spectrometry near-infrared Fourier transform surface-enhanced Raman spectrometry (NIR-FT-SERS) near-infrared glow near infrared image intensifier near infrared methane detector based on wavelength modulation technology near infrared, near-IR near-infrared, NIR near-infrared spectrometer near infrared spectrometry near infrared spectrometry for pharmaceutical analysis near infrared spectrometry (NIR) near infrared spectrophoto meter near infrared spectroscopy near-infrared spectroscopy near-in sidelobe near integer near-IR near-letter quality near linear space near-linear space near-lunar space nearly associative algebra nearly Borel measurable set nearly circular domain nearly compact

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。