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| 淬火: 552 phrases in 22 subjects |
| Automated equipment | 1 |
| Automobiles | 3 |
| Chemistry | 3 |
| Construction | 1 |
| Electronics | 15 |
| Food industry | 1 |
| General | 145 |
| Geology | 2 |
| Materials science | 1 |
| Mechanic engineering | 1 |
| Metal science | 3 |
| Metallurgy | 34 |
| Oil / petroleum | 2 |
| Oil and gas | 3 |
| Oil processing plants | 27 |
| Radio | 1 |
| Rail transport | 1 |
| Silicate industry | 1 |
| Technology | 300 |
| Thermal engineering | 1 |
| Thermodynamics | 3 |
| Welding | 3 |