high speed industrial flat bed sewing machine
... 无刷直流电机;高速工业平缝机;速度测量;宽范围调速 [gap=673]Key words: brushless DC motor, high-speed flat sewing machine, speed measurement, wide-range-timing ...
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并以工业高速链式平缝机为例进行了研究。
A case study of the high-speed chain-stitch sewing machine is used to illustrate the method.
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