It is usually use crochet form for weaving selvedge on gripper-projectile looms, but it leads to weft density double and thickness increased.
片梭织机上的布边通常采用钩边形式，但钩边形式使布边的纬密增大，厚度也增加，造成布边与布身不相适应，给生产造成困难。
In the study, in order to get good precision of dimension and position of fine leads, chemical etching method is used to make high density double assess single-sided FPC.
研究采用化学蚀刻聚酰亚胺的方法来制作双面连接的单面挠性板，以满足精细手指的尺寸和位置精度的要求。
To enhance sizing quality of fine count high density double weft satin fabric, adjustment and optimization of warping processing, sizing formula, sizing processing were done.
为提高细号高密双纬缎纹织物的浆纱质量，对整经工艺、 浆料配方、浆纱工艺进行了调整与优化。
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