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| 回动弹簧; 回复弹簧; 复位弹簧 | |||
| 继电器复位弹簧 | |||
| 回位弹簧 | |||
| 回程游丝; 复进簧 | |||
| 恢复弹簧 | |||
| return spring: 44 phrases in 7 subjects |
| Automobiles | 7 |
| Aviation | 1 |
| Compressors | 1 |
| Electronics | 3 |
| Plastics | 1 |
| Shipbuilding | 1 |
| Technology | 30 |
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