stationary tangent plane

• 平稳切面

stationary tangent plane的用法和样例：

例句

1. When an assumptive cutting plane is passed through an object, the cross section is drawn, which is called a cut.
   假想用剖切平面将机件的某处切断，仅画出剖切面与机件接触部分的图形称为断面图，简称断面。