5.RervesExporatory work 勘察工作Strike of the lode 矿脉No.2 shaft 第二竖井Measured rerves a级储量Indicated rerves c2级储量Inferred rerves 推断储量Surface exposuresstagesUnderground working 地下作业spritBoreholes 钻孔ch
5.RervesExporatory work 勘察工作诗的笔顺农药标签Strike of the lode 矿脉No.2 shaft 第二竖井Measured rerves a级储量Indicated rerves c2级储量Inferred rerves 推断储量Surface exposuresUnderground working 地下作业Boreholes 钻孔Under