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锅炉水管 : 52 phrases in 12 subjects |
| Architecture | 1 |
| Chemistry | 1 |
| Construction | 2 |
| Electric machinery | 2 |
| Electronics | 4 |
| General | 3 |
| Metallurgy | 1 |
| Nautical | 8 |
| Oil / petroleum | 2 |
| Refrigeration | 1 |
| Shipbuilding | 9 |
| Technology | 18 |
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