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新型水火管锅壳式锅炉与旧型锅炉有着明显的不同,已由Ⅰ型、Ⅱ型发展到更为先进的Ⅲ型,而Ⅲ型要求更加精心的设计。
The new fire and water boiler tube boiler with the old boiler has a clear difference, from type Ⅰ, Ⅱ type to the more advanced type Ⅲ, and type Ⅲ require more careful design.