传统的库房保护主要是利用温湿度计测试档案库房空气的温湿度。随着祖国现代化建设步伐的加快,各种建筑装饰材料的大量投放、汽车拥有量的不断上升,以及各种废气和有毒气体的排放,给城市空气带来了新的污染源,增加了污染强度。致使室内外环境空气品质都有不同程度的恶化。环境 The traditional warehouse protection mainly uses the temperature and humidity meter to test the temperature and humidity of the file warehouse air. With the accelerating pace of modernization of the motherland, a large number of various building decoration materials are put into operation, the car ownership is rising, and emissions of various kinds of exhaust gases and toxic gases bring new sources of pollution to urban air and increase pollution intensity. As a result, indoor and outdoor ambient air quality has been deteriorated to varying degrees. surroundings