护针没作用啊。。。求师傅指点如何调节?是旋梭质量问题还是调节问题?
|小黑屋|手机论坛|Archiver|缝纫客,工业缝纫机维修问答
GMT+8, 2025-8-29 11:32 , Processed in 0.046720 second(s), 11 queries , File On.
Powered by Discuz! X3.3
© 2001-2017 Comsenz Inc.