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【判断题】
热力学基本公式的成立条件可以表述为:内部达平衡的,只有体积功的封闭系统;或者表述为:只做体积功、组成不变的封闭系统。
A.
正确
B.
错误
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【单选题】对于压缩成型的塑件,其各向性能( )。
A.
不均匀
B.
比较均匀
C.
不能判断
D.
差异很大
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