A.顺纹承压>横纹承压>斜纹承压 B.顺纹承压>斜纹承压>横纹承压 C.横纹承压>顺纹承压>斜纹承压 D.斜纹承压>顺纹承压>横纹承压
A.(1)~(4) B.(2)(4) C.(2)(3) D.(1)(3)
A.单跨简支梁 B.单跨固端梁 C.多跨连续梁 D.单层和多层框架结构
A.薄腹大梁 B.预应力钢筋混凝土屋架 C.组合屋架 D.钢屋架
A.大些 B.小些 C.相同