By analysising the hot-mass transmission of hot-air passing through the polyester yarn package, the theoretical model of vaporization for package at the state of stable drying is established.
作者通过对热风穿透筒子纱时热质交换的分析，建立了筒子纱稳定干燥阶段水分蒸发的理论模型，推导出圆柱形筒子纱径向热风温度分布方程及水分蒸发方程。
Package quality is influenced by both textile technological parameters such as fibers and yarn as well as machine configuration and Settings.
筒子质量既受纤维和纱线等纺织品技术参数的影响，也受机械结构和设置的影响。
There are spinning frames in existence which package filling yarn directly on quills rather than ring tubes.
目前的细纱机，有的可以直接将纱线卷绕在纬管上，而不是卷绕在细纱管上。
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