五线包缝机敲三线,开始很好,过一段后下面的线抛线 而且时松时紧怎么回事?求教师傅
chen00568 发表于 2014-6-3 11:37 针板不够滑吧,看看踩空车时自动出线顺不顺,放上压脚也试一下自动出线顺不顺 ...
|小黑屋|手机论坛|Archiver|缝纫客,工业缝纫机维修问答
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