正好

added Category:470 製造總論 using HotCat

正好

创建页面，内容为“{| class="https://image.baidu.com/search/index?ct=201326592&tn=baiduimage&word=%E9%94%BB%E9%80%A0%E6%AF%9B%E5%9D%AF&pn=0&spn=0&ie=utf-8&oe=utf-8&cl=2&lm=-1&fr=&se=&s…”