The micro stitch length regulating lever which could adjust the stitch length easily 摇杆式针距调整:摇杆式针距调整结构,可轻松方便的调整针距。
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The patented " regulating lever type " differential feeding mechanesm which could offer you the full differential feeding 专利摇杆式差动调整:发明专利摇杆式差动距调整机构,提供您充分的差动进给量。