石せき油ゆコークス

noun

petroleum coke

Technical term used in energy and industrial contexts. Refers to the solid carbon material derived from oil refining.

• 石せき油ゆコークスは製せい鉄てつ所じょで還かん元げん剤ざいとして使つかわれる。

  Petroleum coke is used as a reducing agent in steel mills.