The fairly good structure of PGA fiber can be obtained at low spinning velocity and high after-drawing ratio.
采用低速纺丝高倍后拉伸的工艺路线可以得到具有较好结构的PGA纤维。
The factors affecting the magnetism of magnetic PP fiber were studied, including content of magnetic powder, sheath-core ratio, magnetic powder variety and after-drawing.
研究了磁性聚丙烯 ( PP)纤维中磁粉含量、纤维的皮芯比、添加的磁粉种类及纤维后拉伸等对纤维的磁性能的影响。
After he lived in the room, he removed all the clothes boxes and bought her a desk in the spared room because he knew she loved writing and drawing.
他住进来后就把装衣服的箱子给撤走了,腾出来的空间,他给她加了一张写字台,因为她平时喜欢写写画画。
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