资料来源 : pyDict

结构钢,型钢

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Structural steel \Structural steel\
   (a) Rolled steel in structural shapes.
   (b) A kind of strong mild steel, suitable for structural
       shapes.

资料来源 : WordNet®

structural steel
     n : a strong steel that is rolled into shapes that are used in
         construction