| |||
| 规则、标准与说明 | |||
|
rules and standards and instructions : 6 phrases in 6 subjects |
| Business | 1 |
| Commerce | 1 |
| Communications | 1 |
| Economics | 1 |
| Electronics | 1 |
| General | 1 |
| |||
| 规则、标准与说明 | |||
|
rules and standards and instructions : 6 phrases in 6 subjects |
| Business | 1 |
| Commerce | 1 |
| Communications | 1 |
| Economics | 1 |
| Electronics | 1 |
| General | 1 |