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.用火炉烧水水的温度升高c.用锯锯木头锯条�热d.用砂轮磨菜刀菜刀 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.用火炉烧水水的温度升高c.用锯锯木头锯条�热d.用砂轮磨菜刀菜刀 coloring