v型牵伸
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Rule V Draft 规则五选秀
v shape draft v形牵伸
draft v 起草
The result shows that domestic V type draft set with reasonable spinning processing can improve yarn quality and reduce evenness CV.
采用国产V型牵伸装置，合理配置纺纱工艺，可以改善成纱质量，降低条干CV值。
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