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圆摆 : 52 phrases in 10 subjects |
| Automobiles | 2 |
| Chemistry | 1 |
| Compressors | 1 |
| Electric machinery | 1 |
| General | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 16 |
| Textile industry | 25 |
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