polyester filament yarns meaning in Chinese

涤纶长丝

Test method for dyeing uniformity of polyester filament yarns
涤纶长丝染色均匀度试验方法
Inspection regulation for import and export polyester filament yarn and nylon filament yarn
进出口涤纶丝锦纶丝检验规程
This paper investigated the physical properties of polyester filament yarn such as tenacity , elongation and boiled water shrinkage by means of analyzing the poy which had been treated by different draw ratio and heating temperature
通过对不同拉伸倍数及不同温度处理的poy的分析，探讨长丝纱的强度、伸长度及沸水收缩率等物理机械性质。