| |||
| 封闭线回路 | |||
| 闭合回路 | |||
| 环路 | |||
| 环形电路; 环路【电】; 封闭线; 闭回路 | |||
| 用户线电路 | |||
|
loop circuit : 31 phrases in 12 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Communications | 1 |
| Electric machinery | 3 |
| Electronics | 7 |
| Hydroelectric power stations | 1 |
| Shipbuilding | 1 |
| Sports | 2 |
| Technology | 10 |
| Telecommunications | 1 |
| Wind Energy | 2 |