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锅炉运行中,锅炉受压元件受热后的膨胀受到约束,就会在其中产生很大的应力,其值大到一定程度时,即会损坏锅炉构件甚至使之失效。
Boiler operation, the expansion of the heated components of the boiler is constrained, it will have a great stress in them, the value of large to a certain extent, that will damage the boiler components and even make it invalid.