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[平縫機(jī)] 平車做那種很薄的料子時(shí)、線跡有一兩針收不緊、形成一個(gè)拱橋型、這是怎么回事? |
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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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