| |||
| 国家安全法规 | |||
|
National safety code : 10 phrases in 7 subjects |
| Aviation | 1 |
| Electronics | 2 |
| Environment | 2 |
| General | 1 |
| Refrigeration | 2 |
| Technology | 1 |
| Textile industry | 1 |
| |||
| 国家安全法规 | |||
|
National safety code : 10 phrases in 7 subjects |
| Aviation | 1 |
| Electronics | 2 |
| Environment | 2 |
| General | 1 |
| Refrigeration | 2 |
| Technology | 1 |
| Textile industry | 1 |