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| 冷顶: 45 phrases in 13 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Automobiles | 4 |
| Chemistry | 2 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Metallurgy | 18 |
| Plastics | 2 |
| Rail transport | 1 |
| Refrigeration | 5 |
| Technology | 7 |
| Thermal Energy | 1 |
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