正好
added Category:470 製造總論 using HotCat
21:48
+31
创建页面,内容为“File:点火提前角1.png|缩略图|点火提前角[https://tse1-mm.cn.bing.net/th/id/R-C.0676077e67c29a630754dcabac4f56b9?rik=VYPwYWbNZImIww&riu=http%3a%2f%2fimg.…”
+10,506