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| 自我堵塞 | |||
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wall in : 58 phrases in 12 subjects |
| Drilling | 1 |
| Economy | 1 |
| Electronics | 4 |
| Engineering geology | 5 |
| General | 5 |
| Household appliances | 1 |
| Metallurgy | 8 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Plastic surgery | 1 |
| Project management | 2 |
| Technology | 27 |
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