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| 消防用水系统 | |||
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fire water system : 24 phrases in 8 subjects |
| Hydroelectric power stations | 1 |
| Nautical | 9 |
| Nuclear and fusion power | 4 |
| Oil / petroleum | 1 |
| Rail transport | 2 |
| Shipbuilding | 2 |
| Space | 1 |
| Technology | 4 |
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