这是一款推求河道设计水面线的应用程序，这要按要求输入各断面数据即能自动绘制水面线。市规划设计、水利计算的助手。-This is a calculated the water of the river channel design line application, this according to the section is asked to enter data can automatic drawing the water line. City planning and design, water conservancy calculation assistant.