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ASME B16.9-2018 工厂制造的锻钢焊接管件(英文版).pdf文档页数:41文档大小:1.76MB文档格式:pdf ASME B16.9-2018 (Revision of ASME B16.9-2012) Factory-Made Wrought Buttwelding Fittings AN AMERICAN NATIONAL STANDARD The American Society of Mechanical Engineer
管道系统和管道 ASME B31 规范简化版(英文版).pdf文档页数:287文档大小:5.13MB文档格式:pdf M E CH MCGRAW-HILL PROFESSIONALENGINEERING Piping Systems Pipeline ASME B31 CODE SIMPLIFIED Various repair techniques,their advantages and shortings Step-by-step lo