下导梁架桥机
High-Speed Railway Launching Girder of Bottom Lead Beam
电动双梁桥式起重机
Electric Double-beam Bridge Crane
electrical bibeam bridge crane
electric two-beam bridge crane
手动单双梁桥式起重机
hand-operated single-and-double beam bridge crane
双架桥式起重机
double-beam bridge type crane
双架桥式抓斗起重机
double-beam bridge type grab crane
双梁桁架门式起重机
double-girder-truss crane
双梁桥式起重机
double girder overhead traveling crane
double-beam bridge crane
双梁式架空移动起重机
two-girder overhead travelling crane
环梁-桁架式支撑体系
rounded ring beam and trussed beam bracing system
斜拉式桁架桥
truss-stayed bridge
Oblique-pulling Truss Bridge
预应力混凝土斜拉式桁架桥
PC stayed truss continuous rigid bridge