Hui0721
→簡介
18:22
+13
→缺乏韌性固脆
18:21
-3
增加內容
18:20
+1,043
01:12
+445
added Category:471 精密機械工藝 using HotCat
01:06
+36
removed Category:472 金屬工藝 using HotCat
01:05
-30
added Category:472 金屬工藝 using HotCat
+30
added Category:470 製造總論 using HotCat
01:03
added Category:400 應用科學總論 using HotCat
+37
建立新條目
+5,647