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[零件] 旋梭和擺梭有什么優(yōu)缺點(diǎn),為什么有的機(jī)器要設(shè)計(jì)成旋梭 |
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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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