1) high angle hole
大角度井
2) high angle deviated well
大角度斜井
3) high angle deviated hole
大角度斜井
4) inverted high angle well
倒转大角度井
5) high deviation angle
大井斜角
6) shaft with large angle of inclination
大倾角斜井
1.
Practice of using raise boring in excavation of guide hole for shaft with large angle of inclination;
反井钻开挖大倾角斜井导孔的工程实践
补充资料:斜井
见矿山井巷。
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