The stench of indoor air material mainly ammonia, methyl Liu Chun, hydrogen sulphide, methyl Erliu three methyl amine, aldehyde, styrene.

• 室内空气中的恶臭物质主要有氨、甲基硫醇、硫化氢、甲基二硫三甲基胺、乙醛、苯乙烯等。