In the field operation, can cause annealed wire diameter necked, surface scratch, red copper wire, copper wire color, copper wire oxidation and so on some phenomenon.
在现场操作中，会造成退火后线径变细、表面划伤、铜线发红、铜线变色、铜线氧化等一些现象。
2
The invention has the advantages of the Siro-spun and the necked yarn, and the invention can be used in a plurality of superior textiles.