正好
added Category:470 製造總論 using HotCat
20:43
+31
创建页面，内容为“File:电涡流缓速器1.jpg|缩略图|电涡流缓速器[https://tse1-mm.cn.bing.net/th/id/R-C.20b9347ada19bd40951dd67ee45f4bc1?rik=rCCCrkmFr%2fFQ7A&riu=http%3a%2…”
20:42
+6,747