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分风管 : 18 phrases in 9 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Electronics | 2 |
| General | 1 |
| Oil / petroleum | 4 |
| Pulp and paper industry | 1 |
| Refrigeration | 1 |
| Securities | 1 |
| Technology | 6 |
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