着重指出了ptt纤维生产在干燥、纺丝、卷绕、平行拉伸上和PET纤维的不同，并结合实例对POY—DT工艺的要求作了探讨。
The differences on drying, spinning, winding and parallel drawing between PTT fiber and PET fiber were pointed out. The production process of PTT DT was discussed.
着重指出了ptt纤维生产在干燥、纺丝、卷绕、平行拉伸上和PET纤维的不同，并结合实例对POY—DT工艺的要求作了探讨。
The differences on drying, spinning, winding and parallel drawing between PTT fiber and PET fiber were pointed out. The production process of PTT DT was discussed.
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