structural iron

基本解釋

Structural Angle Iron;
三角鐵；
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(jié)構(gòu)用條狀鐵，通常是鍍了鋅的，為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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In a meeting with analysts and investors, Rio Tinto CEO, Sam Walsh, said that the company will most likely go ahead with its proposal to expand iron ore production over the next few years, barring a major structural change in the market.
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