Laoyangaixiaomi
added Category:440 工程學總論 using HotCat
12:28
+34
创建页面，内容为“File:Guangke.jpg|缩略图|右| [https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1593069147206&di=1a68151ae947bb3f11220dbe5f4c2572&imgtype=0&sr…”
12:27
+11,129