1) ancient mine area
古采区
1.
1# orebody ancient mine area in 846 m level of Zhaotong Lead-Zine mine used striping-entrance block caving method.
昭通市铅锌矿846中段Ⅰ#矿体古采区厚大伏槽矿的回采,运用分条进路自然崩落法。
2) ancient goaf
古采空区
1.
After setting up 242 physical surveying points of 10m×20m exploratory grid,exploring work of an ancient goaf area occurrence status was carried out in Zhaotong Maoping lead-zinc mine,the surveying area of region is about 300m×300m,elevation is from the middle of +846 m to the surface.
采用地球物理勘测方法,按10 m×20 m网度共设置了242个勘测物理点,对昭通市毛坪铅锌矿区古采空区的赋存状况进行勘测,勘测区域面积约300 m×300 m,标高自+846 m中段至地表。
3) ancient mining and melting
古代采冶
4) ancientmining holes
古采洞
5) ancient mining cavity
古采矿洞
6) mining area
采区
1.
Analysis on the effect of ventilation system rebuilding in mining area;
采区通风系统改造对矿井通风的影响及效果分析
2.
Optimum design and constructin for the upper air-returning system at the sixth mining area, No.1 well, Yaojie coal field;
窑街煤田一号井六采区上部回风系统优化设计与施工
3.
Main roadway arrangement and characteristic of west mining area in No.98 coal seam;
浅谈98号煤层西翼采区主要巷道布置及其特点
补充资料：销冶
1.熔炼。
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