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雨棚屋面網架

網架結構表面防腐、防火涂裝工程網架結構表面防腐、防火涂裝工藝為:工廠除銹(鋼材表面除等級達到Sa2.5級)工廠涂裝環富鋅防底漆二度現場修補底層、中層涂層一一現場涂裝四度超薄型鋼結構膨脹防火涂料底層、二度超薄型鋼結構膨脹防火涂料面層(達到耐火極限為1.5小時的一級防火要求)

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