Shenhai Explosion-Proof
Cov pa roj carbon dioxide tsis yog roj combustible, li no lub tswv yim ntawm sab sauv thiab sab explosive txwv tsis cuam tshuam rau nws.
Cov pa roj carbon dioxide tawg txwv
Ua ntej: Combustible Gases Heavier than Air
Tom ntej no: Dab tsi yog qhov txwv rau Cawv Explosion Concentration