研究表明，纱线退绕时在筒子表面的滚动现象是导致断头、乱纱问题的主要因素，从而说明筒子纱的捻向与卷绕方向的选择对退绕质量有直接影响。
The impact caused by bending direction to forming parts design as well as the structural design of bending and splitting compound working procedure are stated in details.
如果蜗牛壳的螺线方向在8个细胞的阶段被改变了，那么蜗牛的心脏，胃，肝卷绕和肠循环方向都会相应的发生反转。
If the spiral of the shell is changed at the eight-cell stage then the orientation of the snail's heart, stomach, liver coiling and gut looping are similarly flipped.
提出了现阶段国内应采纳的卷绕型式和改进纱线质量的方向。
It also puts forward a suggestion of improving the yarn quality and introduces abetter scheme of winding mechanism which could be used in production practice at present.
提出了现阶段国内应采纳的卷绕型式和改进纱线质量的方向。
It also puts forward a suggestion of improving the yarn quality and introduces abetter scheme of winding mechanism which could be used in production practice at present.
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