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Used for reeling coarse yarn into prescribed length and measuring its evenness.
用于摇取棉、毛、绢、丝等条子和粗纱成规定长度.
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There are many difficulties for spinning of coarse yarn with ring spinning frame.
对于特粗支纱,采用环锭细纱机纺制有诸多困难.
Linen coarse yarn is bleached with a new acid bleaching agent instead of traditional sodium chlorite.
研究制订新型酸性氯系漂白剂亚麻粗纱漂白工艺,替代亚氯酸钠漂白工艺.
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