CO2 laser marking machine is the flight line people liters laser developed specifically for the automation industry, a device used in the production line to better flight marking.

民升激光科技有限公司的CO2激光流水线飞行打标机是民升激光专为自动化行业开发的一款设备，能更好应用于生产流水线上飞行打标。

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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.

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。

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