“downward drift stoping with backfill”的概念、定义、翻译、参考文献-科学参考

单词	downward drift stoping with backfill
释义	downward drift stoping with backfill Encyclopedia 工学上向分层充填采矿法释 downward drift stoping with backfill下向进路充填法将矿块沿竖直方向划分为若干分层，由上而下逐层以巷道进路的方式进行回采并充填的采矿方法。
随便看	multiply connected region multiply connected Riemann surface multiply connected sequence multiply connected space multiply connected surface multiply deprotonated molecule multiply harmonic function multiplying multiplying element multiplying interferometer multiplying interferometry multiplying machine multiplying order multiplying unit multiply monotone sequence multiply ordered class multiply perfect number multiply periodic function multiply primitive group multiply projective space multiply protonated molecule multiply rooted graph multiply transitive multiply transitive group multiply–accumulate(MAC) operation

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。