通过控制前罗拉与后罗拉的转速，由软件实现对粗纱牵伸倍数与捻度的控制。
By controlling the speed of front roller and back roller, the software controls the pulling times and twisting degree.
熔纺时控制了挤出流量和牵伸速率的良好匹配，获得了丝径均匀的大直径中间相沥青炭单丝。
The large diameter mesophase pitch carbon monofiber in uniform size was obtained by controlling the matching of extrusion flow and drawing rate.
为了顺利生产亚麻弹力织物，在加工弹力纱时，要对捻线机进行改造，重点控制好捻度和氨纶预牵伸倍数等工艺参数。
To produce flax elastic fabric, the twister should be innovated in the production, and processing parameters such as twist, polyurethane pre-draft multiple should be controlled.
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