采用辊刀自动裁切膜的长短；
在切纸机工作过程中，纸辊的拉纸速度和刀辊的旋转速度共同决定了切下纸张的长度。
During the working of paper cutting machine, both the speed of drawing paper and the revolving speed of cutter decide the length of paper.
盖板倒转，增强分梳，改善棉网质量。盖板花剥取由抄刷辊取代上斩刀。
Reversed revolving flats increase carding action ang improve wed quality . for flat stripping comb is replaced by the brushing roller and cleaning roller.
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