| |||
| ★ 开关码 | |||
| 开关密码 | |||
|
switching code : 13 phrases in 6 subjects |
| Automobiles | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Sociology | 1 |
| Technology | 3 |
| Telecommunications | 3 |
| |||
| ★ 开关码 | |||
| 开关密码 | |||
|
switching code : 13 phrases in 6 subjects |
| Automobiles | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Sociology | 1 |
| Technology | 3 |
| Telecommunications | 3 |