| |||
| 自保持电路 | |||
| 锁定〔吸持，自保持〕电路; 自保线路 | |||
| 闭锁电路 | |||
| 强制同步电路 | |||
| 锁定电路; 自保持电路 | |||
| 吸持电路; 同步电路; ★ 锁闭电路 | |||
| 自保电路 | |||
| |||
| 同步电路 | |||
|
locking circuit : 35 phrases in 14 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Communications | 1 |
| Construction | 1 |
| Electric machinery | 5 |
| Electricity | 1 |
| Electronics | 6 |
| General | 2 |
| Oil / petroleum | 2 |
| Shipbuilding | 1 |
| Space | 6 |
| Technology | 5 |
| Telecommunications | 2 |