structural iron

基本解释

Structural Angle Iron;
三角鉄；
The vanes are made of structural angle iron.
葉輪可用角鋼制成。
A structural sheet iron, usually galvanized, shaped in parallel furrows and ridges for rigidity.
一種結搆用條狀鉄，通常是鍍了鋅的，爲防止變形而具有平行的槽和邊。

But a previous publisher, Harrison Gray Otis, so angered labor leaders with his opposition to unions that John McNamara of the International Association of Bridge and Structural Iron Workers dispatched his brother James to blow up the Times building in 1910.
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