圖示結構K截面剪力為:()
A.0 B.P C.-P D.P/2
圖示結構K截面彎矩值為:()
A.0.5kN·m(上側受拉) B.0.5kN·m(下側受拉) C.1kN·m(上側受拉) D.1kN·m(下側受拉)
A.10kN·m(右側受拉) B.10kN·m(左側受拉) C.12kN·m(左側受拉) D.12kN·m(右側受拉)