| 1. | Drain piping may require to be protected against freezing .
泄水管要求有防冻保护措施。 |
| 2. | A comment upon gazdar ' s theory of contextual transform
水坝泄水管涵工程对顶施工技术 |
| 3. | Some ideas on the special through engineering of the weep
对泄水孔特殊贯通工程的几点认识 |
| 4. | Male square wrenches for drain screws
泄水口螺钉堵头用的外四方扳手 |
| 5. | Specification for docking drain plug and boss assemblies metric
泄水孔塞放泄塞和轴节配件的规范 |
| 6. | Introduction to runaway discharge of feilaixia hydro - project
飞来峡贯流机组飞逸泄水工况试验介绍 |
| 7. | Overall layout of discharge structures of xixiayuan counter reservoir
西霞院反调节水库泄水建筑物总布置 |
| 8. | Standard specification for docking drain plug and boss assemblies metric
船坞泄水孔塞和轴节配件的标准规范 |
| 9. | The thermal dynamic analysis of tunnel drainage hole in the perennial frozen soil
多年冻土中隧道泄水洞热动态分析 |
| 10. | Study on plunge pool concrete lining stability for flood dischare of a high arch dam
高拱坝泄水垫塘衬砌稳定性研究 |
