The most common sewing machines use a stitch called a lock stitch.
缝纫机是靠一个脚踏板来操作的。
All back rise seams should be two-thread chain stitch or double row lock stitch.
所有后档缝应当用双针链式缝迹或双行锁式线迹。
The sample room is equipped with industrial power machines: there are lock stitch, overlock, zigzag machines, etc.
样品间里配备的工业用缝纫机，它们是锁式线迹缝纫机、包缝机、万能机等。
The sample room is equipped with industrial power machines: there are lock stitch, overlock, zigzag machines, etc.
样品间里配备的工业用缝纫机，它们是锁式线迹缝纫机、包缝机、万能机等。
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