警报信号 : 132 phrases in 18 subjects |
Automated equipment | 1 |
Automobiles | 2 |
Aviation | 3 |
Drilling | 1 |
Electronics | 15 |
Energy industry | 1 |
Firefighting and fire-control systems | 3 |
Forestry | 1 |
General | 38 |
Nautical | 6 |
Nuclear and fusion power | 1 |
Oil and gas | 1 |
Oil processing plants | 1 |
Radio | 2 |
Security systems | 1 |
Shipbuilding | 2 |
Technology | 48 |
Telecommunications | 5 |