iron oxide red
iron oxide yellow
iron oxide black
3者既分別係在於d咩?
佢地係FeO定係Fe2O3定係Fe3O4?
我又係d護膚品成份到見到
佢地係皮膚上面起左d咩作用?
收錄日期: 2021-04-13 16:31:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090328000051KK00601