.sp文件扩展名，.sp文件如何打开？

.sp

文件类型：SignPlot Traffic Sign File

扩展名为.sp的文件是一个页面布局文件。

文件说明：

UK traffic sign designed with SingPlot, a sign creation program for designing traffic signs for use within the United Kingdom; automates the layout and spacing rules of the DfT Traffic Signs Regulations; contains vector images and text that can printed in large sizes without losing quality..sp                                                                    

打开.sp文件

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Buchanan Computing SignPlot　

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