They study drafting, technical math, blueprint reading, welding, riveting, beam placement, and more.

学生学习绘制草图，技术数学，蓝图阅读，焊接，铆接，梁安置等。

youdao

They study drafting, technical math, blueprint reading, welding, riveting, beam placement, and more.

学生学习绘制草图，技术数学，蓝图阅读，焊接，铆接，梁安置等。

youdao