It can maintain the stitches uniformly all through the whole up and down material stitching process, which attributed to making no wrinkle and scratch-free finished material.
在车缝物料上下高低位的过程中始终保持针距均匀，从而使车出之物品，不起皱，没刮痕。
It can maintain the stitches uniformly all through the whole up and down material stitching process, which attributed to making no wrinkle and scratch-free finished material.
在车缝物料上下高低位的过程中始终保持针距均匀，从而使车出之物品，不起皱，没刮痕。
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