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角焊缝 : 153 phrases in 13 subjects |
| Architecture | 5 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Construction | 3 |
| Electric machinery | 3 |
| General | 1 |
| Metallurgy | 38 |
| Nautical | 1 |
| Oil / petroleum | 5 |
| Plastics | 9 |
| Rail transport | 4 |
| Technology | 81 |
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