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静定结构承受温度改变时,其变形、内力的变化状况为()

单选题
2021-12-31 23:04
A、既产生变形,又产生内力
B、只产生变形,不产生内力
C、不产生变形,只产生内力
D、不产生变形,不产生内力
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正确答案
B

试题解析

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