 |
| 防 护罩: 125 phrases in 24 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Automobiles | 15 |
| Aviation | 3 |
| Compressors | 1 |
| Desert science | 1 |
| Drilling | 1 |
| Electric machinery | 3 |
| Electronics | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 5 |
| Laboratory equipment | 1 |
| Metallurgy | 14 |
| Oil / petroleum | 5 |
| Plastics | 6 |
| Rail transport | 2 |
| Space | 6 |
| Sports | 1 |
| Steel production | 1 |
| Technology | 41 |
| Telecommunications | 3 |
| Textile industry | 5 |
| Transport | 1 |
| United Nations | 1 |