 |
| |||
| non-sparking fan | |||
| blast-proof fan; ignition-protected fan; spark-resistant fan | |||
| 防 爆 风机: 12 phrases in 4 subjects |
| Nautical | 2 |
| Refrigeration | 4 |
| Shipbuilding | 3 |
| Technology | 3 |
|
| |||
| non-sparking fan | |||
| blast-proof fan; ignition-protected fan; spark-resistant fan | |||
| 防 爆 风机: 12 phrases in 4 subjects |
| Nautical | 2 |
| Refrigeration | 4 |
| Shipbuilding | 3 |
| Technology | 3 |