p1 V1 OK, so in my diagram now, I have p1, V1 for my gas.
于是可以画出现在的p-V图。
So on the p-V diagram, then, V1 V2 p1 p2 there's a V1 here a V2 here, a p1 here a p2 here.
在p-V图上,这是。
If it's a reversible process, we know the work is the area under the curve.
对可逆过程,功等于p-V图上。
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