单选题与外界没有质量交换的系统是封闭系统,同时它也可能是()。A开口系统B绝热系统C孤立系统DB+C
单选题
与外界没有质量交换的系统是封闭系统,同时它也可能是()。
A
开口系统
B
绝热系统
C
孤立系统
D
B+C
参考解析
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