restrained steel beam约束钢梁

restrained d beam固定端梁;固端梁

Crane restrained beam增级改造

fully restrained beam全部约束梁

restrained reinforced concrete beam钢筋混凝土约束梁

end restrained beam端部约束梁

restrained beam without web reinforcement无腹筋约束梁

restrained beam with web reinforcement有腹筋约束梁

short restrained reinforced concrete beam约束钢筋混凝土短梁