| 1. | Unconfined seepage analysis with composite element method 无压渗流分析的复合单元法 |
| 2. | On non - impact printing technology and electrostatic printing 无压印刷技术与静电印刷 |
| 3. | Pressureless discharge of rinsing water to water drain 洗水无压排放到废水排放管道。 |
| 4. | Three - product dense - medium cyclone of coal with gravity feed 煤用无压给料三产品重介质旋流器 |
| 5. | A new method for unconfined seepage 求解三维无压渗流场的一种新方法 |
| 6. | Standard guide for installing asbestos - cement nonpressure pipe 石棉水泥无压管道的安装标准指南 |
| 7. | Standard specification for asbestos - cement nonpressure sewer pipe 石棉水泥无压污水管道的标准规范 |
| 8. | Casting of surface composite with a pressureless permeating method 无压渗透法制备铸造表面复合材料 |
| 9. | Gray iron castings for elevated temperatures for non - pressure containing parts 高温无压部件用灰铁铸件 |
| 10. | Applications of long - distance discharge without pressure of riveting machine 铆接机远程无压卸荷的应用 |