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1475046792 發(fā)表于 2016-4-13 09:04 1,機(jī)針針眼及針槽不光滑。2、縫線張力太大。3、縫線質(zhì)量太差。4、縫線比針眼粗。5、彎針、針板、壓腳舌 ...
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