| 1. | Standard for the air test method of concrete sewer pipe work 混凝土排水管道工程闭气检验标准 |
| 2. | Standard for the air test method of concrete sewerage pipe work 混凝土排水管道工程闭气检验标准 |
| 3. | Technical specification forpvcu pipe work for water sewerage of buildings 建筑排水硬聚氯乙烯管道工程技术规程 |
| 4. | Technical specification for pvc - u pipe work for water sewerage of buildings 建筑排水硬聚氯乙烯管道工程技术规程 |
| 5. | Bio - engineering , pharmaceutical manufacturing equipment installation and piping works 生物工程,制药设备制造及管路工程安装 |
| 6. | Code for construction and acceptance of heat insulation in industrial equipment and pipe work 工业设备及管道绝热工程施工及验收规范 |
| 7. | Piping work should keep a 1 / 200 slope ( especially for natural circulation type ) 施工时管路倾斜应保持在1 、 200以下(特别是自然循环式) 。 |
| 8. | Rubber molded and extruded sealing rings and profiles for pipe work . general specifications of materials 管道作业用模制及挤压密封圈和型材.材料的一般规范 |
| 9. | The application of reinforced concrete counter sprayed anchor sustain art in the upper pipe working well 钢筋混凝土喷锚逆作法支护技术在顶管工作井中的应用 |
| 10. | Specification for the construction and acceptance of piping works for watersupply and drainage in petrochemical industry 石油化工给水排水管道工程施工及验收规范 |