名词大梁

1. 桁架：均匀地分布於两桁架(Girder)之中.设计时应使其能承受挤压,挠曲,弯曲,扭转及剪切等作用之各种应力之合成负载.吊重卷筒应具有自卷筒面中心开始往左右两侧均加工之适当沟槽.卷筒在设计时应使其吊钩在最低位置时沟槽内至少应保留[2整圈][ ]之钢索,

2. 大梁：geotechnical survey 土力测量 | girder 大梁 | gland 封头;压盖

3. 桁架;主粱：斜撑;支撑 bracing | 桁架;主粱 girder | 构件 member

4. girder：gir; 一般配置图

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1. 大梁；桁
A girder is a long, thick piece of steel or iron that is used in the framework of buildings and bridges.

noun

1. a beam made usually of steel
a main support in a structure