如果俾一條chemical equation你...
點可以知道佢係咩reaction...
各種既recation...有d咩特別可以容易分辦佢係咩recation呀?
收錄日期: 2021-04-23 18:54:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070316000051KK03845