The purpose of this paper is to make more user master the method and glad to definite shape and use shape defini…
本文旨在通过用形方式定义并标注表面粗糙度符号的过程的介绍，使更多用户学会并乐于定义形和使用形。
The purpose of this paper is to make more user master the method and glad to definite shape and use shape defini…
本文旨在通过用形方式定义并标注表面粗糙度符号的过程的介绍，使更多用户学会并乐于定义形和使用形。
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