Buttoning a sewing machine type buttoning a sewing machine can be divided into single thread chain line mark and double-thread lockstitch of two kinds.
钉纽扣缝纫机类型钉纽扣缝纫机可分为单线链式线迹和双线锁式线迹的两类。
Buttoning a sewing machine type buttoning a sewing machine can be divided into single thread chain line mark and double-thread lockstitch of two kinds.
钉纽扣缝纫机类型钉纽扣缝纫机可分为单线链式线迹和双线锁式线迹的两类。
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