在现代工业生产中,锅炉具有着极其重要的作用。能否保证它的运行安全,是关系到国计民生的大事。随着热天的来临,使用空调的单位和场所将明显增多,一些餐馆、医院、公共浴 In modern industrial production, the boiler has an extremely important role. Whether it can guarantee the safety of its operation is a major event concerning the national economy and the people’s livelihood. With the advent of hot days, the use of air-conditioning units and places will be significantly increased, some restaurants, hospitals, public baths