... crepe kraft 皱纹牛皮纸 crepe ratio 起皱率 creped wadding 皱纹医药卫生包装纸；皱纹包装纸 ...
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According to this formula, the time of changing wheel is obtained, thus the ratio of warp velocity of base and crepe axis may be controlled during the whole weaving process.
利用公式可制订调换变换牙的时间表，从而能控制整个织造过程中泡、地经纱的送经比。
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