Cova
無編輯摘要
20:45
+4
Rocket
10:48
22:28
+1
14:39
+158
Keystone
added Category:410 醫藥總論 using HotCat
09:36
+30
added Category:330 物理學總論 using HotCat
09:35
+34
创建页面，内容为“File:足跟效應.jpg| thumb | 300px | 足跟效應，由於陽極靶與陰極靶角度差異 <br> https://smallcollation.blogspot.com/2014/02/heel-effect.html#gsc…”
23:15
+1,389