protel画图软件鼠标放大与缩小，甚至可以拖动。轻松使用protel软件。-protel99 drawing software to enlarge and narrow the mouse, or even drag. Protel99 easy to use software.

一个protel 99se得鼠标差件,可以解决画图过程中得放大缩小拖动图纸全键盘得问题,实现全鼠标操作得可能-1 protel 99se too bad pieces of the mouse, you can solve the drawing process have zoom in and drag the drawing was full keyboard issue and realize the whole mouse is probably

protel99鼠标增强工具,可用鼠标实现protel99图像放大缩小和左右移动。-protel99 mouse enhancement tool that can be used to achieve protel99 the mouse to zoom and move around the image.

protel99se辅助小工具，滑动鼠标滚轮可以实现放大缩小原理图，右键可拖动。-a small auxiliary tool for protel99se