大家在查：采煤工作面采高工作面回采率生产准备采掘关系开采损失回风巷走向长度煤柱运输大巷

工作面运输巷

网络headentry,headgate,haulage gateway

工作面运输巷

工作面运输巷

工作面运输巷

headentry,headgate,haulage gateway

... 采空区 goaf,gob,waste 工作面运输巷 headentry,headgate,haulage gateway 工作面回风巷 tailentry,tailgate,return airway ...

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Practices on Technology for Small Coal Mining Face Connected Along Conveyor Gateway Side of Fully Mechanized Mining Face

综采工作面运输巷侧接小工作面工艺实践

3

Roof Management Practice on Transportation Lane Safety Exports in Opposite Pulling Faces

对拉工作面运输巷安全出口顶板管理实践

4

Rapid Excavation Technology Applied in Conveyer Gateway of Bottom Slicing Coal Mining Face

下分层工作面运输巷快速掘进施工技术

5

Craft Studies of Substituting Shed in Opposite Pulling Faces Conveyance Road

对拉工作面运输巷替棚工艺探讨

6

Discussion on Confirmation of Headentry Location in Fully-mechanized Working Face with Caving

综放工作面运输巷层位布置的探讨

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