3) sectional mining
分区开采
1.
Discussion on sectional mining,technical feasibility and economic rationality of steep side expansion of Guangou quarry is made and some issues to be noted are proposed due to the problems existing in the design and mining of the quarry,such as large stripping volume in the initial mining stage and voriation in stripping ratio during mining.
针对贯沟采场设计和生产中存在的实际问题———生产初期剥离量大 ,生产剥采比不均衡 ,探讨了贯沟采场实行分区开采 ,陡帮扩帮的技术可行性和经济合理性 ,并且指出了应该注意的几个问题。
4) Panel mining
盘区开采
6) near mining areas
近区开采
补充资料：开采
挖掘（矿物）：～石油ㄧ～地下资源。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条