基き幹かん産さん業ぎょう

noun

key industry; basic industry

Refers to an industry that forms the backbone of a nation's economy, such as steel, energy, or transportation.

• 鉄てっ鋼こう業ぎょうは日本にほんの基き幹かん産さん業ぎょうの一ひとつです。

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