It is necessary to reduce amount of offensive odor letting off to improve local environmental quality and inhabitant living quality by effective testing and necessary control step.

• 针对城市污水处理厂的工艺特点,进行有效地监测,并采取必要的控制措施,以降低异味物质的排放量,这对改善当地环境质量和提高居民生活质量是十分必要的。