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阐述了聚酰胺６６民用长丝生产的工业现状。探讨聚酰胺６６ＦＤＹ装置的结构特性。讨论聚酰胺６６纤维形成过程的特点，提出工艺路线和工艺条件选择的理论依据。分析纤维市场特点，提出了聚酰胺６６民用长丝的生产技术发展趋势。
The industrial status quo of polyamide 66 civilian filament production is expounded. Discuss the structural characteristics of polyamide 66FDY device. The characteristics of the polyamide 66 fiber formation process were discussed, and the theoretical basis for the choice of process route and process conditions was proposed. Analyzed the characteristics of the fiber market, put forward the development trend of polyamide 66 civilian filament production technology.