还有重金属类产品，比如金属板，工字钢，角铁，管道和金属棒，建筑结构框架，桥梁，船只，汽车，铁道以及其他各种结构。
Heavier steel products, such as plates, I beams, angel iron, pipe, and bar, form the structural frames of buildings, Bridges, ships, automobiles, roadways, and many other structures.
还有重金属类产品，比如金属板，工字钢，角铁，管道和金属棒，建筑结构框架，桥梁，船只，汽车，铁道以及其他各种结构。
Heavier steel products, such as plates, I beams, angel iron, pipe, and bar, form the structural frames of buildings, Bridges, ships, automobiles, roadways, and many other structures.
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