在高强度螺栓抗拉连接中,当每个螺栓承受外拉力Nt<P作用时(P为每个高强度螺栓的预拉力),螺栓内沿杆轴方向的拉力P'()(考虑连接产生弹性变形)。
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请在第____处填上正确答案。 A) for B) unless C) lest D) although
在地震区框架-支撑结构中不宜采用下列何种支撑?()
根据听到的内容作答____. A) Her home is too far away from her university. B) Her parents have been volunteering in South America. C) She is too busy to go back home visiting her parents. D) She has to take a part-time job during vacations.
下列各项中,属于会计职业道德中非强制性要求内容的是()。