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[包縫機(jī)] 彎針調(diào)節(jié)問(wèn)題,上彎針碰機(jī)針,間隙調(diào)好了又碰下彎針 |
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|小黑屋|手機(jī)論壇|Archiver|縫紉客,工業(yè)縫紉機(jī)維修問(wèn)答
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