Understand the basic conception of form and position tolerance and surface roughness.

了解形位公差与表面粗糙度基本概念.

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No conflict between feature linear and geometric tolerances.

同一标注线性公差和形位公差不能矛盾.

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This article and implement of radial run - out tolerance and axiality tolerance and production process.

径向跳动公差与同轴度公差是形位公差项目中常用的位置公差.

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Good knowledge in GPS ( geometrical production specification ) and can read mechanical part and assembly drawing.

有GPS ( 形位公差 ) 相关知识,能读懂机械零件图及装配图.

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