arch girder
短语词组
- arched -girder 拱形梁
- arched brace girder 拱桁式
- arched d girder 拱形梁
- double annular arched -girder support system 雙環梁支護躰系
- arched girder parabola 拱梁拋物線
- stiffened arched girder 加勁拱梁
- arched girder with tieback 帶拉杆的拱形桁架
- arched girder load sharing 拱梁分載
- arched girder composite 拱梁組郃 返回 arch girder