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| 火灾自动报警器 | |||
| 火灾自动报警 | |||
| 失火自动报警器; 火灾自动报警器; 火警自动报警器; 自动火灾报警系统 | |||
| automatic fire alarm: 16 phrases in 5 subjects |
| Electric machinery | 1 |
| Hydroelectric power stations | 1 |
| Nautical | 6 |
| Shipbuilding | 6 |
| Technology | 2 |
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