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| compensating ring | |||
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补偿圈 : 19 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Compressors | 1 |
| Electric machinery | 6 |
| Electronics | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 2 |
| Plastics | 1 |
| Space | 1 |
| Superconductivity | 1 |
| Technology | 1 |
| Telecommunications | 1 |
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