关于热现象的说法中正确的是 A热机的压缩冲程是把内能转化为机械能的过程b内能的改变必须通过做功才能实现c白炽灯泡用久了灯泡的内壁 Template




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tomski关于热现象的说法中正确的是 a热机的压缩冲程是把内能转化为机械能的过程b内能的改变必须通过做功才能实现c白炽灯泡用久了灯泡的内壁 coloring