而卷绕速度是影响纺丝成形的主要因素，对不对称结构影响不是很大。
However, the take-up speed is one of the main factors affecting the spinning formation, but it has little effect on the unsymmetrical structure formation.
通过直接检测前罗拉输出速度，并由软件实现筒管卷绕速度和龙筋升降速度的改变；
By detecting the speed of front roller directly, the software changes the speed of tuber and lifter.
在纺丝过程中，要严格控制煤沥青熔体的粘度、纺丝温度、压力、卷绕速度等主要参数。
The main parameters of viscosity, spinning temperature, pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning.
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