暗斜井 meaning in English
inclined winze
Examples
- Rapid maintenance and reinforcement of main internal inclined shaft
主暗斜井的快速维修加固技术 - Construction technology of overhead crossing point in deepening work of staple inclined shaft
暗斜井延深工程立面交岔点的施工工艺 - The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no . 2 dark tilt well in huaibei coal mine area are introducded . they include small section enlarged after the heading caving , high negative pressure and multi - raw drilling holes and strenous drawing - off , concentrated cross drill holes , cutting while drawing - off and putting the metal frame away
介绍了淮北矿区芦岭煤矿2主暗斜井采用小断面导硐后刷大、高负压多排钻强抽，密集交叉钻孔边掘边抽及设置金属骨架施工方法和防突措施揭穿高突特厚松软煤层。