 |
| |||
| Американский национальный стандарт | |||
| 美国国家 标 准: 12 phrases in 5 subjects |
| Computers | 3 |
| General | 5 |
| Oil / petroleum | 1 |
| Quality control and standards | 2 |
| Technology | 1 |
|
| |||
| Американский национальный стандарт | |||
| 美国国家 标 准: 12 phrases in 5 subjects |
| Computers | 3 |
| General | 5 |
| Oil / petroleum | 1 |
| Quality control and standards | 2 |
| Technology | 1 |