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2021-8-16u2002·u2002H6 Gas Fired Hot Water Boiler T6 Vacuum Hot Water Boiler T7 Vacuum Hot Water Boiler V6 Gas Fired Hot Water Boiler. ... Membrane wall structure is used for furnace water wall and convection pass, good leak-proofness, low air leakage, decrease the heat losing of exhaust gas, improve boiler thermal efficiency. ... (Hangzhou Xintiandi) vacuum ...
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