The side knife device can make sewing and knife repairing at the same time, and improve the working efficiency.

侧切刀装置使缝纫和修刀工序一次完成，工作效率提高。

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The side knife device can make sewing and knife repairing at the same time, and improve the working efficiency.

侧切刀装置使缝纫和修刀工序一次完成，工作效率提高。

youdao