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[钉扣机] 4-2订扣机抬压脚剪线时,有时勾针处不为了三角形,成一直线,到至剪不断线,怎么办。 |
发表于 2016-9-13 21:32:48
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|小黑屋|手机论坛|Archiver|缝纫客,工业缝纫机维修问答
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