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| 磨料 研 磨: 80 phrases in 14 subjects |
| Architecture | 3 |
| Automobiles | 1 |
| Chemistry | 2 |
| Compressors | 1 |
| Construction | 1 |
| Drilling | 1 |
| Electronics | 1 |
| Footwear | 1 |
| General | 2 |
| Industry | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Plastics | 10 |
| Technology | 53 |
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