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| 运行序号; 换下井钻头序号 | |||
| run No: 18 phrases in 10 subjects |
| Automobiles | 2 |
| Baseball | 2 |
| Chemistry | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Refrigeration | 1 |
| Space | 2 |
| Sports | 3 |
| Technology | 4 |
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