在两个恒温热源T1和T2之间(T1T2),概括性卡诺循环的热效率与卡诺循环的热效率相比,()A、前者高于后者B、两者相等C、前者低于后者D、前者可以高于、等于、低于后者
在两个恒温热源T1和T2之间(T1>T2),概括性卡诺循环的热效率与卡诺循环的热效率相比,()
- A、前者高于后者
- B、两者相等
- C、前者低于后者
- D、前者可以高于、等于、低于后者
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