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| 弹簧装置 | |||
| 回转窑弹性大齿轮; 弹簧传动装置 | |||
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spring gear : 18 phrases in 5 subjects |
| Automobiles | 1 |
| Business | 1 |
| Metallurgy | 1 |
| Rail transport | 2 |
| Technology | 13 |
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