AWS D1.1 D1.5 America Standard A588 Corten Steel Plate Yakagadzirwa Structural Steel Truss Beam Bridge pasi pekugadzirwa sezvakaratidzwa.

kuburikidza neakawanda America akajairwa musika weprojekiti zviitiko, isu tinokwanisa kuita akasiyana America akajairwa simbi chimiro chine chekuita nemapurojekiti zvakanaka.