| 1. | The high - density polyethylene pipe is a new type of tubing 雨水管所采用的高密度聚乙烯管是一种新型管材。 |
| 2. | Standard practice for design of high - density polyethylene manholes for subsurface applications 地下高密度聚乙烯人孔设计的标准规程 |
| 3. | Pipe joint assemblies and fittings for high - density polyethylene pressure pipes ; pipe couplings ; dimensions 高密度聚乙烯压力管道用管连接件和接头.管接头.尺寸 |
| 4. | Specification for track - resistant black thermoplastic high - density polyethylene insulation for wire and cable 电线和电缆用耐划痕热塑性高密度聚乙烯绝缘子规范 |
| 5. | Two kinds of polyethylene were chose , which included : high - density polyethylene and crosslinking polyethylene 所选用聚乙烯分别是:高密度聚乙烯和交联聚乙烯。 |
| 6. | Pipe joint assemblies and fittings for high - density polyethylene pressure pipes ; fittings for resistance welding ; dimensions 高密度聚乙烯压力管道用管道连接组件和管道配件.第7 |
| 7. | Pipe joint assemblies and fittings for high - density polyethylene pressure pipes ; injection - moulded fittings for butt welding ; dimensions 高密度聚乙烯压力管用管道连接组件和管道配件.第6部 |
| 8. | Pipe joint assemblies and fittings for high - density polyethylene pressure pipes ; adaptors for fusion jointing , flanges and sealing elements ; dimensions 高密度聚乙烯压力管道用管道连接组件和管道配件.第4 |
| 9. | Standard specification for track - resistant black thermoplastic high - density polyethylene insulation for wire and cable , 75oc operation 75工作条件下电线及电缆用不留痕迹的黑色热塑高密度聚乙烯绝缘材料标准规范 |
| 10. | Pipe joint assemblies and fittings for types 1 and 2 high - density polyethylene pressure pipes ; injection moulded reducers and nipples for socket welding ; dimensions 1型和2型高密度聚乙烯压力管道用管连接组件和接头.承 |