单项选择题
A.1.62 B.1.44 C.1.30 D.1.05
A.260kPa B.300kPa C.294.1kPa D.208kPa
A.大偏心受压,x=308.84mm B.小偏心受压,x=308.84mm C.大偏心受压,x=326.73mm D.小偏心受压,x=326.73mm