| |||
| 选择器继电器 | |||
|
selector relay : 9 phrases in 6 subjects |
| Computer numerical control | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Technology | 4 |
| Telecommunications | 1 |
| |||
| 选择器继电器 | |||
|
selector relay : 9 phrases in 6 subjects |
| Computer numerical control | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Technology | 4 |
| Telecommunications | 1 |