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| operational mechanism | |||
| operative mechanism; running mechanism | |||
| 运行机制: 11 phrases in 7 subjects |
| Aviation | 2 |
| Electronics | 1 |
| Librarianship | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Securities | 1 |
| Technology | 4 |
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