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| 托 弹簧: 26 phrases in 8 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Rail transport | 6 |
| Shipbuilding | 2 |
| Technology | 12 |
| Textile industry | 1 |
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