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| 压力 弹簧: 62 phrases in 12 subjects |
| Automobiles | 5 |
| Aviation | 1 |
| Chemistry | 4 |
| Electric machinery | 1 |
| Electronics | 2 |
| Metallurgy | 2 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Rail transport | 2 |
| Refrigeration | 3 |
| Space | 2 |
| Technology | 38 |
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