The experimental results showed that Med-high boiling rate PET FDY can be obtained by partial innovation of the machine and process adjustment.
实践表明：通过对设备的局部改造和适当的工艺调整，可生产中高沸水收缩率涤纶FDY。
The experimental results showed that the high tenacity polyester filament can be obtained by partial innovation of the machine and process adjustment.
实验结果表明，通过对设备作局部改造并调整生产工艺，就可生产高强涤纶丝。
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