【摘要】 介绍了目前水工ＣＡＤ 软件开发的几种常用模式，并以四联杆双悬壁平面翻板闸计算机辅助设计软件（ＳＬＧＣＡＤ）为例，着重介绍了其开发思路及编程技巧，可供水工ＣＡＤ软件开发者参考。更多还原

【Abstract】 Some software development models of hydraulic engineering CAD were introduced.Furthermore,taking the CAD software for the linked tetrashaft double cantilever flat flap gate as an example,the paper introduces its development model and some editing technique.更多还原