对有抗震设防要求的结构,当设计无具体要求时,纵向受力钢筋强度和最大力下总伸长率的实测值应符合下列规定()。 A. A.钢筋的抗拉强度实测值与屈服强度实测值的比值不应小于 1.25; B. A. 钢筋的抗压强度实测值与屈服强度实测值的比值不应小于 1.3; C. C.钢筋的屈服强度实测值与屈服强度标准值不应大于 1.3; D. D.钢筋的最大力下总伸长率不应小于 9%; E. E. 钢筋的最大力下总伸长率不应大于 9%;
【简答题】选择恰当的短语并用正确的形式填空。 take off, knock down, carry out, break down, contribute to, put up, set off, hold up She was ____________ by a car whose driver was suspected of drunk driving. As it was dark, we dec...