本帖最后由 qshl 于 2020-12-28 08:36 编辑 飞马 / PEGASUS,绷缝机的这两个连杆装上去,没一会就磨损了,是什么原因?
|小黑屋|手机论坛|Archiver|缝纫客,工业缝纫机维修问答
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