The easy thread pulling during the manual material feed enables convenient and trouble-free handling when sewing the workpiece.
当缝制缝片时，在手动输送面料过程中缝线可被容易地拉出，使达到简便无误的缝制操作。
The easy thread pulling during the manual material feed enables convenient and trouble-free handling when sewing the workpiece.
当缝制缝片时，在手动输送面料过程中缝线可被容易地拉出，使达到简便无误的缝制操作。
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