Acetylene is a flammable gas stored in cylinders as a dissolved gas. The cylinders are filled with a porous material saturated with a solvent, usually acetone.

• 乙炔是易燃的，作为溶解气体储存在钢瓶里。钢瓶内填充着充满了浸透了溶剂，通常是丙酮的多孔渗水材料。