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| 仪表游丝弹簧 | |||
| 发丝簧 | |||
| 游丝 | |||
| 发丝弹簧; 细弹簧 | |||
| 细丝弹簧 | |||
| 细簧 | |||
| hair spring: 5 phrases in 3 subjects |
| Architecture | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
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