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| 锁止定位器，掣子弹簧 | |||
| 固定锁弹簧; 锁紧簧 | |||
| lock spring: 41 phrases in 9 subjects |
| Automobiles | 11 |
| Chemistry | 1 |
| Drilling | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Shipbuilding | 1 |
| Technology | 22 |
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