A case study of the high-speed chain-stitch sewing machine is used to illustrate the method.

并以工业高速链式平缝机为例进行了研究。

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Double chain stitch industrial sewing machine, the machine has the advantages of small volume, high speed, low energy consumption, low noise, convenient repair.

双线链式线迹工业缝纫机，该机具有体积小、转速高、耗能少、噪音低、维修方便等优点。

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