beam with both ends built in
a beam with multiple cracks
beam supported at both ends
beam with double reinforcement
beam with elastic support
beam with one degree of indeterminacy
beam with simply supported ends
Beam with steel skeleton reinforced concrete
beam with variable cross-section
beam with variable sections
beam with varying section
beam-ends
多氯代多环芳香化合物(PCAHs)
横梁末端
船梁末端
cantilevered beam with corrugated steel web
combinatorial bridge with beam and arch
composite beam with early-strength concrete and U-shaped steel