Reinforcing system for reinforcing existing masonry by outer sleeved portal type rigid frame and construction method
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Ferrochromium slag for concrete aggregate and preparation method thereof
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Be suitable for different specification curtain fire-proof test's burning furnace that fires
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Be suitable for experimental device of building curtain fire prevention tectonic property
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Anti-frosting fresh air heat recovery device
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Intelligent illumination control method for simulating sunlight spectrum mode
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Concrete decorative plate prefabricated part and preparation method thereof
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Irradiation data acquisition instrument and acquisition method
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Movable cold and heat supply recovery device and electric heating device suitable for villages and small towns based on movable heat storage and exchange module
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Intelligent identification fireproof smoke isolation system for door opening of stairway during construction
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Combined energy source coupling energy supply and energy storage integrated device
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Multi-energy coupling energy supply system suitable for efficient energy utilization of villages and small towns