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[鏈條車(chē)] 鏈條車(chē)跳針咋修,針桿高度怎么定?針與機(jī)針的間隙是多少? |
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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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