製せい鉄てつ業ぎょう

noun

iron industry; steel industry

Refers to the industrial sector involved in iron and steel production, including smelting and manufacturing.

• 製せい鉄てつ業ぎょうは日本にほんの重じゅう要ような基き幹かん産さん業ぎょうの一ひとつです。

  The iron and steel industry is one of Japan's key basic industries.