【单选题】【消耗次数：1】
由于静定结构内力仅由平衡条件决定,故在支座移动作用下静定结构将（ ）。
①
不产生内力和位移
②
产生内力和位移
③
产生内力
④
不产生内力
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相关题目
【单选题】
超静定结构在温度变化和支座移动作用下的内力和位移计算中，各杆的刚度应为（）。
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