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本实用新型提供了一种曲折双针缝纫机，属于机械技术领域。
The utility model provides a curve two-needle sewing machine, which belongs to the technical field of machinery.
youdao
-
本实用新型提供了一种曲折双针缝纫机，属于机械技术领域。
The utility model provides a curve two-needle sewing machine, which belongs to the technical field of machinery.
youdao