1) Tiefa mining area
铁法矿区
1.
Technology for CBM Development with Surface Vertical Gob Wells in Tiefa Mining Area;
铁法矿区地面垂直采空区井技术
2.
Study of erosion zones in coal seams is Tiefa mining area;
铁法矿区煤层冲刷带研究
2) Tiefa Coal Mining Area
铁法矿区
1.
Analysis on Gas Content and Its Controlling Factors in Tiefa Coal Mining Area;
铁法矿区煤层气含量及其控制因素分析
3) mine railway
矿区铁路
1.
The familiar diseases and the measures of points in the mine railway;
矿区铁路道岔常见病害及整治
4) Iron-copper mining area
铁铜矿区
5) mining area railway
矿区铁路
1.
Design for a Dispatch Supervision System of Pingdingshan Mining Area Railway;
平顶山矿区铁路运输调度监督系统设计
补充资料：钨铁电炉出铁(吉林铁合金厂)
钨铁电炉出铁(吉林铁合金厂)
吻 他排由帕中桩了士朴屏人乙曰“
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