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| 摺棚弹簧 | |||
| 膜片弹簧; 隔膜簧 | |||
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diaphragm spring : 20 phrases in 5 subjects |
| Automobiles | 7 |
| Chemistry | 1 |
| Hydroelectric power stations | 1 |
| Rail transport | 5 |
| Technology | 6 |
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