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| 随动装置; 随动部件 | |||
| 随动装置［部件］ | |||
| follow-up unit: 10 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Electronics | 2 |
| Plastics | 1 |
| Space | 2 |
| Technology | 2 |
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