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一种多功能尺,主要包括一直尺部;一成型在直尺部一端之基座;一游嵌在基座之盘状元件及一摆置在盘状元件上之定位
A multifunctional ruler mainly comprises a ruler, a base formed on one end of the ruler, a disk element embedded in the base and a positioning element arranged on the disk element