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铁 尖 : 83 phrases in 15 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Aviation | 1 |
| Baseball | 1 |
| Biology | 1 |
| Chemistry | 1 |
| Earth sciences | 3 |
| General | 22 |
| Geology | 1 |
| Metallurgy | 14 |
| Mountaineering | 3 |
| Oil / petroleum | 6 |
| Polo | 4 |
| Rail transport | 1 |
| Technology | 23 |
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