下列现象中通过热传递改变物体内能的是a两手相互�擦手�热b用打气筒打气时筒壁�热c用热水泡脚脚感觉暖和d用砂轮磨菜刀菜刀的温度 Template




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tomski下列现象中通过热传递改变物体内能的是a两手相互�擦手�热b用打气筒打气时筒壁�热c用热水泡脚脚感觉暖和d用砂轮磨菜刀菜刀的温度 coloring