之字型线迹的分类是很细,对压脚的使用也是很细致的。
[upload=jpg]UploadFile/2005-2/200522510929502.jpg[/upload]
[upload=jpg]UploadFile/2005-2/200522510937157.jpg[/upload]
[upload=jpg]UploadFile/2005-2/200522510948910.jpg[/upload]
[upload=jpg]UploadFile/2005-2/2005225101111895.jpg[/upload]
多功能压脚

工艺压教

曲折缝压脚

镶嵌压脚