【判断题】【消耗次数：1】
张拉控制应力是指预应力钢筋在进行张拉时所控制达到的最小应力值
①
正确
②
错误
参考答案：
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相关题目
【单选题】
《规范》规定，预应力钢筋的张拉控制应力不宜超过规定的张拉控制应力限值，且不应小于（）。
①
<img src="20190718/1563410618162644.jpg" title="1563410618162644.jpg" alt="第5章3-11.jpg"/>
②
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<img src="20190718/1563410625203883.jpg" title="1563410625203883.jpg" alt="第5章3-12.jpg"/>
④
<img src="20190718/1563410614164987.jpg" title="1563410614164987.jpg" alt="第5章3-10.jpg"/>
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