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压力容器在石油、化工、轻工、医药、纺织及科研等系统广泛使用。随着国民经济的发展和科学技术的进步,压力容器将趋向大型化;其操作工艺条件向高温、高压、低温发展;其工作介质具有易燃、易爆、有毒、剧毒及腐
Pressure vessels in petroleum, chemical, light industry, medicine, textile and research systems widely used. With the development of national economy and the progress of science and technology, the pressure vessel will tend to be large-scale. The operating conditions of the plant will develop towards high temperature, high pressure and low temperature. The working medium is flammable, explosive, poisonous,