呵呵,上鸿业网站看看吧

In my opinion,WaterCAD is suitable for you!
Using the most advanced algorism and technology,WaterCAD is the leading product in water districution modeling.More than 12,0000 engineers in the world are using WaterCAD!Watercad is a powerful tool for Network balance,
optimization(which is based GA) ,scenario management,calibration and water age etc.Two versions can be considered,one is based on AutoCAD,the other is stand-alone version(which has its own file format).
For more information about WaterCAD,please visit http://www.haestad.com/

鸟人！欺负我们英语不好

呵呵,waterCAd是海思德公司的产品

我自我感觉我们鸿业的不错,而且现在专业从事此行的不是很多.前一段还在这里为大家免费计算管网(在市政论坛),如果有需要可以从公司网站下载试用,属于市政管线软件中的一个模块!

呵呵，让人家表现一下嘛

I only want to know if your software is freecharge.

谢谢