ガス突とっ出しゅつ

noun

gas outburst; outburst of gas

Technical term used mainly in mining, geology, and safety engineering to describe a sudden release of gas from rock or coal seams.

• 炭たん鉱こうでガス突とっ出しゅつが発はっ生せいし、作さ業ぎょう員いんが避ひ難なんした。

  A gas outburst occurred in the coal mine, and the workers evacuated.