正好
added Category:330 物理學總論 using HotCat
22:19
+34
创建页面，内容为“File:U=504647723,1352922255&fm=26&gp=0.png|缩略图|热对流[https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=504647723,1352922255&fm=26&gp=0.jpg 图片…”
22:18
+5,094