The drawing of the circuit board using PROTEL software, circuit board is made of six layers.
本次绘制的电路板使用PROTEL软件，电路板分为六层。
Protel DXP provides a fully integrated design, these tools let you easily design from concept to your final board design.
Protel DXP提供一套完全集成的设计，这些工具让你很容易地将你的设计从概念形成最终的板设计。
Through the analysis of PROTEL electronic drafting software, and the misunderstandings it produced during the process of using, this essay aims to provide beginners with some experience and help.
