飞射物圆筒形钢筋混凝土防护罩
cylindrical reinforced-concrete missile shield
钢筋T形焊
reinforcing steel bar ’T-joint welding
高拉力异形钢筋
high tensile deformed steel bar
矩形钢筋混凝土水池
Rectangular reinforced concrete reservoir
冷轧双翼变形钢筋
cold-rolled deformed bar with double wing
楔形H形钢梁
tapered H-section steel beam