请有维修经验的师兄帮帮忙,面线调得很紧,挑线杆也调到最紧的位置,顶布凸轮调到比针低1.5毫米左右,针距调的比较稀,能正常拉,,但容易变过底啊拋线不稳定。 ...
|小黑屋|手机论坛|Archiver|缝纫客,工业缝纫机维修问答
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