| |||
引示线 | |||
导引绝缘线芯; 领示〔操作,控制〕线; 辅助导线 | |||
监视线; 试验线 | |||
控制线; 操作线 | |||
领示线 | |||
电缆中的领示线 | |||
| |||
辅助导线; 操作线; 控制线 |
pilot wire : 17 phrases in 7 subjects |
Air defense | 1 |
Electric machinery | 3 |
Electronics | 6 |
General | 1 |
Hydroelectric power stations | 2 |
Technology | 3 |
Telecommunications | 1 |