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隔杆 : 31 phrases in 12 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Drilling | 1 |
| Electronics | 2 |
| Exhibitions | 1 |
| General | 1 |
| Geophysics | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Refrigeration | 2 |
| Technology | 15 |
| Telecommunications | 2 |
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