Error Bar Pen 误差线画笔
Analyses the reason of apparel pen plotter distortion in theory to reduce the plot error.
从理论上分析服装笔式绘图仪横梁变形原因，以减小绘图误差。
But as it made its way from Argentina to Toronto, its error-laden English provoked someone to take to the text with a red pen, correcting errors and scrawling a note that read: "ps Learn English! ! ""
但由于明信片一路从阿根廷发往多伦多，满目的英语错误，激起了某个谁用红笔改正的念头，还草草作了注明，“学点英语吧！”
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