更新1:
唔該比埋條化學式.例如:酸腐蝕mg :h2so4+mg mgso4+h2
唔該比埋條化學式.例如:酸腐蝕mg :h2so4+mg mgso4+h2
收錄日期: 2021-04-23 20:20:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070218000051KK02034