Progressive Winding and Cold Coiling的意思|示意
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英 / /
渐进式卷绕和冷卷
Progressive Winding and Cold Coiling的网络常见释义
渐进式弹簧 Progressive Winding and Cold Coiling (渐进式弹簧,冷卷工艺而成) Hardness Stronger than O.E.