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Coal Working Face

Coal Working Face

Coal Working Face

Coal Working Face

2

Manufacturing and application of fully-mechanized caving coal working face end hydraulic

综放工作面端头放煤支架的研制及应用

3

Preventing coal dust by water injection at the fully mechanized coal working face using gas drill holes

利用瓦斯抽放钻孔进行综放面煤层注水防尘

4

Analysis and Treatment of Drag- flight Conveyer's Jumping and Sliding on the Low -roof Coal Working Face

低位放顶煤工作面刮板输送机窜滑分析及调整

5

Improving Rear Conveyer in Full-mechanized Caving Coal Working Face

综放工作面后部输送机的改进

6

Technology and control of first roof caving in coal working face

采煤工作面初次放顶的技术与管理

7

The Study on the Technique of Spraying Dust-proof in the Synthetical Mining Caving Coal Working Face

综采放顶煤工作面喷雾降尘技术

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