| |||
| 闭合系统 | |||
| 闭路系统 | |||
| |||
| 闭环体系 | |||
| 闭式循环装置 | |||
| 闭式循环系统; 闭路制; 闭路式; 闭电路制 | |||
| 闭路系统; 常流制 | |||
|
closed-circuit system : 31 phrases in 11 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 2 |
| Business | 1 |
| Chemistry | 2 |
| Information technology | 1 |
| Metallurgy | 3 |
| Navigation | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Technology | 17 |