不确定参数桁架结构 uncertainty struts structures
不确定性桁架结构 uncertain truss structures
超静定桁架结构 statically indeterminate truss structure
大跨度空间钢管桁架结构 large-span spatial steel pipe truss structures
大跨度门式桁架结构 large-span trussed gable structure
大跨张弦桁架结构 large span chord-tension truss
复合桁架结构 composite truss
钢管桁架结构 steel pipe truss structure; truss structure of steel pipe
钢管桁架结构桥梁 steel tubular truss bridge
钢桁架结构 steel truss structure; steel truss
拱桁架结构 arch truss
拱形钢桁架结构 steel arch truss structure
桁架结构 trusswork; girder construction; trussed construction; Truss; truss structure; trussed structure; joist rack structures; truss-frame structure; truss structures; joist-frame structure; Boom; truss analysis; frame structure
桁架结构井架 beam-leg dynamic derrick
桁架结构桅式井架 structural mast
桁架结构优化 truss structural optimization
桁架结构优化设计 optimization design of truss structure
桁架结构主梁 truss girder
环形桁架结构 hoop truss structure