八一精神
added Category:470 製造總論 using HotCat
16:59
+31
创建页面，内容为“{| class="wikitable" align="right" |- | style="background: #008080" align= center| '''<big>可调电阻</big> ''' |- | File:32fa828ba61ea8d35b8a43ff9d0a304e241f…”
+3,150