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【单选题】
刚性绝热容器中间用隔板分为两部分，A 中存有高压空气，B 中保持真空。若将隔板抽去，容器中空气的热力学能将____。能若隔板上有一小，气体泄漏入B 中，分析A、B 两部分压力相同时,A部分气体的热力学能将_______，B分气体的热力学能将______。【图片】
A.
不变 变大 变小
B.
变大  变小 不变
C.
不变  不变 不变
D.
不变；变小；变大
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