The paper introduced the pneumatic logic control technology applied to auto spray device in roadwaydevelopment.
介绍了用气动逻辑控制技术研制的煤矿掘进工作面自动喷雾装置。
2
The paper described the development plan, the selection of seam location and the arrangement methods of main roadway in Jinchang Coal Mine from the designing aspect under present geological condition.
在现有矿井地质条件下，从设计方面论述了晋昶煤矿的开拓方案、选择大巷层位及设计大巷布置方式。
3
The paper pointed the development tendency of the mechanized drivage technology in seam roadway.