http://mp.weixin.qq.com/s?__biz=MzAwOTU2NjQxOA==&mid=2652033538&idx=2&sn=72f08005596b61efd975f5fd7e0b63eb&chksm=80bbd3bfb7cc5aa9eaa14eac18580b8b1213e32a3350f5b6201582fa35d404211b5a76a817e7&mpshare=1&scene=1&srcid=1119X9oFGxFDl0xOwKhXwgRL#rd
打开里面有所有建筑图常用图例
