This configuration eliminates the displacement of upper layer and lower layer when stitching material of smoothness.adhesive fraction or extension at stitches of any length .

 
  • 交替壓腳,此結構在任意長(cháng)度針距下,縫紉滑性,粘性縫料及特長(cháng)制品時(shí)都能保持上下層不移位,使制品整齊線(xiàn)跡美觀(guān);
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