- 物理(工)(00420) - 专业知识收录平台"> - 物理(工)(00420) - 专业知识收录平台">
A.吸热3W,放热2W
B.吸热4W,放热3W
C.吸热5W,放热4W
D.吸热6W,放热5W
正确答案是C
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