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[平縫機(jī)] .縫快了底線就緊,有時(shí)偶爾有一兩針收不緊,應(yīng)該如何調(diào)... |
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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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