采矿工程专业英语词汇手册（Glossary of Special English in Mining Engineering ）采矿工程专业内部讲义二零零七年三月ContentChapter 3 .1 Mining method1Chapter 3 .2 Mine Preplanning2Chapter 3.3 Mine development4Chapter 4.1 Walling system introduction5Chapter 4.2 Ground control6Chapter 4 .3 Roof support system8Chapter 4.4 Longwall coal-getting machine8Chapter 4.5 Conveying system9Chapter 4.6 Ventilation system11Chapter 5 Pillar system12Chapter 6 Roadway excavation and support
