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挡轮挡 : 96 phrases in 11 subjects |
| Agriculture | 2 |
| Automobiles | 13 |
| Aviation | 14 |
| Business | 2 |
| Drilling | 3 |
| General | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 51 |
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