The main parameters of viscosity, spinning temperature, pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning.
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。
2
Design optimization algorithm of winding composite motor cases under inner pressure and endure strength restrain is studied.
研究缠绕复合材料发动机壳体在内压载荷作用下，承受强度约束的优化设计方法。
3
In this paper, we conduct the analysis and calculation to the winding pattern of the pressure vessels with different winding angle in both of the dome ends in the same winding layer.