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| fire alarm device | |||
| fire detection device | |||
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火警 装置 : 30 phrases in 7 subjects |
| Architecture | 1 |
| Aviation | 2 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 23 |
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