| 1. | He helped dig a ( 5 ) to ( 6 ) them ( 7 ) clean water 他帮忙凿井以提供他们乾净的水。 |
| 2. | Rapid construction in freezing section of mine shaft 深冻结井筒凿井施工实践 |
| 3. | Types and specifications for shaft sinking winches 凿井绞车型式与基本参数 |
| 4. | Discussion on temperature field calculation in freeze sinking method 冻结法凿井施工中温度场计算探讨 |
| 5. | Test methods of shaft sinking winches 凿井绞车试验方法 |
| 6. | Mine freezing shaft sinking technology for deep mine in henan coal mines 发展中的河南煤矿深井冻结凿井技术 |
| 7. | Loading and structure of shaft lining by shaft drilling in deep alluvium 深厚表土中钻井法凿井的井壁外载和结构 |
| 8. | Mine shaft sinking technology with ground freezing method for liangbaosi mine shaft 梁宝寺矿井冻结法凿井施工技术 |
| 9. | Issues on key technologies of freezing shaft sinking in huainan mining area 淮南矿区冻结法凿井的几个关键技术问题 |
| 10. | Shaft sinking ; shaft plumbs 凿井.竖井测量铅锤 |