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| 铰接点; 连杆连接点 | |||
| link point: 23 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Aviation | 4 |
| Electronics | 6 |
| General | 1 |
| Information technology | 2 |
| Multimedia | 1 |
| Space | 2 |
| Technology | 3 |
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