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Special tool, system and method for hoisting high-pressure heater of thermal power plant
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Lifting lug structure optimization method for large plate girder and lifting lug
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Method for positioning vertical high-pressure heater of power plant by using groined frame
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Postweld heat treatment process for martensite heat-resistant steel G115 large-diameter thick-wall pipeline
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Welding and combined heat treatment method for martensite heat-resistant steel G115 large-diameter thick-wall pipeline
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Method for controlling welding temperature of steel structure in alpine region
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Multifunctional wrench for industrial gas cylinder
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Thick-wall weld seam interlayer crack defect treatment process
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Heat-preservation refractory castable and preparation method, pouring method and application thereof
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Electrode boiler for peak regulation and heat storage of heating system and application thereof
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Hoisting system and hoisting method for overweight horizontal high-pressure heater
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