双腹板顶底角钢连接
top seat and double web angles connection
箱梁腹板
box girder web
The web of the box-girder
box girder-ribbed vault
混凝土灌芯石膏板板梁
concrete-filled plasterboard beam
曲板板梁单元
curved plate beam element
背三角双板
chilidial plate
chilidial plate[in Brachiopods
chilidal plate
薄板双面冷却铸锭
sheet double-sided cooling ingot
单双梁体系节点
single double roof beam system joint
电动双梁桥式起重机
Electric Double-beam Bridge Crane
electrical bibeam bridge crane
electric two-beam bridge crane
互锁双板
Locked double-plating
Interlocked double -plate