【简答题】The odd thing is that we do not even really believe that the man in the water lost his fight. "Everything in Nature contains all the powers of Nature," said Emerson. Exactly. The man in the water had ...
【单选题】受剪1:如图所示一钢筋混凝土独立梁, 混凝土强度等级为 C 30 ( f c =14.3N/mm 2 , f t =1.43N/mm 2 ),纵筋为 HRB400 级钢筋( f y =360N/mm 2 ),梁内配有选用Φ 8@150 的双肢箍筋,箍筋为 HPB300 级钢筋( f yv =270N/mm 2 ),环境类别为一类,忽略梁自重及架立钢筋的作用。(提示: s max =200mm ) ...