发布时间:2025-02-10 01:28:13
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。
开个300平米左右的清吧资金35万用什么音响效果好装修这些该弄什么风格
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