1880| 4
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[釘扣機(jī)] 4-2訂扣機(jī)抬壓腳剪線時(shí),有時(shí)勾針處不為了三角形,成一直線,到至剪不斷線,怎么辦。 |
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|小黑屋|手機(jī)論壇|Archiver|縫紉客,工業(yè)縫紉機(jī)維修問答
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