Vb控制CAD在公路横断面绘图中的方法，具有不小参考价值呢。-Vb control of the road cross-section CAD drawing of the method with no small reference value for it.

纵_横断面图批量绘制程序设计与实现_ Longitudinal cross-sectional diagram drawing program design and implementation of batch-_ Longitudinal cross-sectional diagram drawing program design and implementation of batch