发布时间:2025-02-10 01:10:55
铁粉,另外某些结晶盐,可以吸热也可以放热。
铁粉可以自发热是因为铁粉与氧气反应,所有可以发热,同样的原理,这类的物质还很多。
结晶盐可以吸热和放热是完成了热量的储存和释放。
我是去年十二月份进新房的我的门框是米色的可能天气潮湿门框上有很多黑点难看死了现在我想换红色
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