人字机包边老是散线? 求大师解惑
546715894 发表于 2015-5-15 21:43 你这是跳针.勾线时间不对.
跃立美 发表于 2015-5-15 21:31 人好少
|小黑屋|手机论坛|Archiver|缝纫客,工业缝纫机维修问答
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