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| 静接点 (в автоматике); 常闭接点 (в автоматике) | |||
| 动开触点 (в автоматике); 后接点 (в автоматике) | |||
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нижний контакт : 5 phrases in 3 subjects |
| Electronics | 3 |
| General | 1 |
| Technology | 1 |
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