 |
| |||
| safety head (装破裂盘用) | |||
| 安全头: 57 phrases in 15 subjects |
| Architecture | 1 |
| Automobiles | 7 |
| Aviation | 2 |
| Drilling | 6 |
| Electronics | 1 |
| Fashion | 1 |
| Logistics | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Mountaineering | 1 |
| Oil / petroleum | 15 |
| Space | 1 |
| Technology | 17 |
| Textile industry | 1 |
|
| |||
| safety head (装破裂盘用) | |||
| 安全头: 57 phrases in 15 subjects |
| Architecture | 1 |
| Automobiles | 7 |
| Aviation | 2 |
| Drilling | 6 |
| Electronics | 1 |
| Fashion | 1 |
| Logistics | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Mountaineering | 1 |
| Oil / petroleum | 15 |
| Space | 1 |
| Technology | 17 |
| Textile industry | 1 |