paper-covered round copper magnet wire
...wire 纸包扁铜电磁线 paper-covered round copper magnet wire 纸包圆铜电磁线 single-paper-covered round copper magnet wire 单层纸包圆铜电磁线 ..
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单层纸包圆铜电磁线
single-paper-covered round copper magnet wire
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