| 1. | Rapid construction in freezing section of mine shaft
深冻结井筒凿井施工实践 |
| 2. | Preheat of counter wind flow to shaft and yard
反向风流对井筒及车场的预热 |
| 3. | Alternatives comparison of the antifreeze method for mine shaft
煤矿井筒防冻方式的比较 |
| 4. | Application of n maleic acid in blocking up water grouting
型注浆材料在井筒堵水中的应用 |
| 5. | Shaft follow - up grouting construction technology
立井井筒后注浆施工技术 |
| 6. | Quick constraction technique of mechanization in inclind shaft
斜井井筒机械化快速施工技术 |
| 7. | Back through the shaft they ' d dug , out into the main tunnel
他们开凿的井筒,再冲向主隧道 |
| 8. | Code for design of inelined shaft and chambers of coal mine
煤矿矿井斜井井筒及硐室设计规范 |
| 9. | New technique of control digging shaft
控制井筒过量超挖欠挖的新工艺 |
| 10. | Experiences to reduce construction preparation period of mine shaft sinking
使井筒涌水量降至 |
