AWS D1.1 D1.5 Ameerika Heerka A588 Corten Steel Plate Made Structural Steel Truss Beam Bridge iyadoo la sameeyay sida muuqata.
Iyada oo loo marayo khibrado badan oo mashruuca suuqa caadiga ah ee Ameerika, waxaan awood u leenahay inaan si fiican u samayno mashaariic kala duwan oo qaab dhismeedka birta caadiga ah ee Ameerika.
Waqtiga boostada: Jul-23-2021