“无底柱分段崩落采矿法”的概念、定义、翻译、参考文献-科学参考

单词	无底柱分段崩落采矿法
释义	无底柱分段崩落采矿法 Encyclopedia 工学阶段崩落采矿法释 sublevel caving method without sill pillar无底柱分段崩落采矿法将阶段划分为分段后，自上而下逐步进行分段崩落回采矿石的采矿方法。分段下部不设由专用出矿巷道所构成的底部结构，分段的凿岩、崩矿和出矿工作在同一个分段回采巷道中顺序进行，以较小的崩矿步距向崩落区进行挤压爆破，崩落的矿石在松散覆岩下，自回采巷道的端部直接放出，利用装载设备运至溜井，再由矿石溜井溜放至阶段脉外运输巷。
随便看	management of surveying and mapping archives management of technology management of the change of electronic records management of trees and shrubs management of urban-rural integration management of use ofpressure vessel management of water and soil resources management of water conservancy industry management of water industry Management of water park management of water resources management of water supply facilities management of well logging radioactive source library management on marine ecological red lines management on publication printing management oversight and risk tree analysis management paradigm management plan management planning management planning ideas of Dongting Lake basin in Ancient China management planning of nature reserve management position description questionnaire，MPDQ management procedure management process management process school

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。