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| 双弓板弹簧; 椭圆形叠板弹簧; 椭圆形弹簧; 椭圆形板弹簧 | |||
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| 椭圆形钢板弹簧; 成双配置的半椭圆钢板弹簧 | |||
| 椭圆弹簧 | |||
| 双弓板弹簧; 椭圆形叠板弹簧; 椭圆形弹簧; 椭圆形板弹簧 | |||
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elliptical spring : 32 phrases in 4 subjects |
| Automobiles | 13 |
| Metallurgy | 1 |
| Rail transport | 2 |
| Technology | 16 |
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