棒ぼう鋼こうぼうこうじ字FuriganaMeanings1nounsteel rod; steel barTechnical term used in construction and manufacturing for a solid steel bar, often with a circular cross-section.この建たて物ものの基き礎そには太ふとい棒ぼう鋼こうが使つかわれている。Thick steel rods are used in the foundation of this building.
