Stitches are made a fraction of an inch inside the seam line in the seam allowance to prevent marking the right side of the garment and to allow machine stitching on the original seam line.
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美
- 针迹是在缝份的接缝线里挑起一小部分纱线,目的是防止在服装的正面留下记号,机缝线迹可以留在最初的接缝线上。