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| 缝焊: 1411 phrases in 37 subjects |
| Architecture | 23 |
| Artificial intelligence | 1 |
| Automobiles | 30 |
| Aviation | 3 |
| Bridge construction | 21 |
| Business | 1 |
| Chemistry | 16 |
| Compressors | 14 |
| Construction | 4 |
| Drilling | 7 |
| Earth sciences | 1 |
| Economy | 1 |
| Electric machinery | 20 |
| Electronics | 33 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Fish farming pisciculture | 1 |
| General | 17 |
| Hydroelectric power stations | 18 |
| Industry | 1 |
| Metallurgy | 417 |
| Mining | 1 |
| Nautical | 13 |
| Nuclear and fusion power | 3 |
| Oil / petroleum | 76 |
| Packaging | 1 |
| Plastics | 74 |
| Polymers | 1 |
| Rail transport | 19 |
| Shipbuilding | 26 |
| Solar power | 1 |
| Space | 8 |
| Steel production | 5 |
| Technology | 528 |
| Telecommunications | 1 |
| Welding | 2 |
| Wind Energy | 21 |
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