A printer that forms dot matrix characters by means of linear, ridged print hammers that impact paper and ribbon against a helical ridge on a rotating cylinder.

 
  • 一种采用线性脊纹打印锤的点阵字符打印机,打印时打印锤撞击紧贴在螺旋脊纹旋转圆筒上的纸和色带。
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