ガス突とっ出しゅつガスとっしゅつMeanings1noungas outburst; outburst of gasTechnical 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