·2,447,543篇论文数据，部分数据来源于NoteExpress
General side box for parts parallelism, perpendicularity and testing and marking, universal side boxes designated for inspection or precision of the workpiece at any Angle line.
一般方箱用于零部件平行度、垂直度和检验和划线，万能方箱用于检验或划精密工件的任意角度线。
youdao
应用推荐
模块上移
模块下移
不移动