发布时间:2025-01-20 21:11:57
碳C的化学性质很稳定,考古学家挖到的木炭在几百年后依旧可以使用,理论上来说木炭的保质期就是永远。
洁厕灵和84消毒液会产生氯气请问二者化学式及其化学反应方程式
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