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| 螺旋状弹簧; 竖螺簧; 立螺簧竖螺簧 | |||
| 立螺簧; 竖螺旋弹簧; 螺旋形弹簧 | |||
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геликоидальная пружина : 3 phrases in 2 subjects |
| General | 1 |
| Technology | 2 |
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