The factors affecting full-package rate of direct-spun PET FDY were analyzed and discussed from the aspects of melt transfer and process conditions.
从熔体输送和纺丝工艺条件分析、探讨影响PET直纺FDY满卷率的因素。
Whether the formulations of refined waste silk are rational has a direct bearing on the quality, material consumption, and economic benefits of spun silk production .
精干绵配方是否科学合理，直接影响到绢纺生产的产品质量、消耗和经济效益。
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