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底座架 : 46 phrases in 12 subjects |
| Athletics | 1 |
| Automobiles | 1 |
| Drilling | 15 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Gymnastics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Navigation | 1 |
| Oil / petroleum | 9 |
| Plastics | 1 |
| Technology | 12 |
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