A.200mm B.500mm C.600mm D.1000mm
A.3%~5% B.5%~10% C.10%~15% D.15%~20%
A.承受集中荷載的簡支梁計算 B.承受集中荷載的連續(xù)梁計算 C.承受均布荷載的簡支梁計算 D.承受均布荷載的連續(xù)梁計算