... 贵金属温差电偶 noble metal thermocouple 辊道电机 electric machine for roller 滚动触头 rolling contact ...
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An electric machine is arranged at the second side of the printing heads so as to supply driving force for the paper feeding roller and the cutting apparatus mechanism.
电机，所述电机设置在所述打印头的第二侧，以便给所述送纸辊和所述切割器机构提供驱动力；
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