掌握并应用正投影法的基本原理，学会运用投影法进行工程形体的观察。
Mastering basic principles of Orthographic Projection; knowing how to observe and analyze engineering objects using project methods;
掌握并应用正投影法的基本原理，学会运用投影法进行工程形体的观察。
Mastering basic principles of Orthographic Projection; knowing how to observe and analyze engineering objects using project methods;
应用推荐