i girder
n. 工字形大梁
参考例子
1.A box girder is much the same as an I-beam girder except that, obviously, it takes the shape of a box.
阿箱梁是大致相同的工字钢梁外，显然，它的形状方块。
2.Harbin Sifangtai Bridge is a cable-stayed bridge whose girder is composed by steel I-beam above and concrete deck slab below.
作为叠合梁斜拉桥，四方台大桥的主梁由下部的工字钢和上部的混凝土行车道板组合而成。
3.The tow-pontoon is full welded body consisting of the steel structure bearing frame and steel plate flotage crust and I-shaped suspend girder.
该浮箱采用全焊接结构，包括承重架、浮力外壳和起吊梁，其中承重架为框架结构，浮力外壳为钢板，起吊梁为工字梁。
网络释义
i girder
工字形大梁;
i beam girder
工字梁;
I-girder
窄缘工字纵梁; 工字大梁 工字形大梁; 工字大梁 工字形大梁;