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| contact closure | |||
| contact closed; junction closure | |||
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接点 闭合 : 18 phrases in 9 subjects |
| Compressors | 1 |
| Electrical engineering | 1 |
| Electronics | 1 |
| General | 4 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 2 |
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