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| 顶栓: 53 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Compressors | 1 |
| Drilling | 1 |
| Electric machinery | 1 |
| Electronics | 4 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 7 |
| Oil / petroleum | 1 |
| Plastics | 3 |
| Technology | 31 |
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