ring circuit
| device handler
| ring circuit | |
| auto. | 环形管 |
| hydroel.st. | 环 路 |
| oil | 环形电路 |
| railw. | 环路 |
| scient. | 环 电路; 皮碗 |
| tech. | 环路 |
| device handler | |
| IT | 设备处理器 |
| |||
| 环形管线，回路 | |||
| 环形电路 | |||
| 环形电路 | |||
| 环路 | |||
| 环形电路; 皮碗 | |||
| 环路【道】 | |||
| 环状电路; 振铃电路 | |||
|
ring circuit : 22 phrases in 9 subjects |
| Chemistry | 3 |
| Compressors | 1 |
| Construction | 2 |
| Electric machinery | 4 |
| Electronics | 3 |
| Hydroelectric power stations | 3 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 3 |