| 1. | The collapse of the poles was attributed partly to the weight and resistance of the aerial cable . 电线杆的倾倒部分地是由架空电线的自重和阻力所引起的。 |
| 2. | Constructs , maintains and repairs overhead line systems 建造、保养及修理架空电线系统。 |
| 3. | Standard specification for copper trolley wire 铜架空电线的标准规范 |
| 4. | Insulator for electric overhead line 架空电线用绝缘子 |
| 5. | Overhead linesman constructs , maintains and repairs overhead line systems 建造、保养及修理架空电线系统。 |
| 6. | Overhead lines - requirements and tests for fittings iec 61284 : 1997 ; german version en 61284 : 1997 架空电线.配件的要求和检验 |
| 7. | Overhead electrical lines exceeding ac 45 kv - part 2 : index of national normative aspects 45kv以上的交流架空电线.第2部分:国家标准索引 |
| 8. | Overhead electrical lines exceeding ac 45 kv - part 1 : general requirements - common specifications 45kv以上的交流架空电线.第1部分:一般要求.通用规范 |
| 9. | Overhead electrical lines exceeding ac 45 kv - part 2 : index of national normative aspects ; german version en 50341 - 2 : 2001 交流电压超过45kv的架空电线.第2部分:国家标准特性索 |
| 10. | Insulators for overhead lines - composite line post insulators for alternative current with a nominal voltage 1 000 v 架空电线用绝缘子.额定电压为1000v的交流电流用复合线柱绝缘子 |