本图集内容包括薄钢板连体法兰矩形风管、组合法兰矩形风管和插条法兰矩形风管的加工、制作与安装。本图集属制造加工、安装类的图集,主要供设计单位选用和施工安装单位及生产厂家制造加工使用。图集中介绍的薄钢板连体法兰矩形风管采用全自动流水线完成各种加工工序,其生产效 This Atlas consists of the processing, fabrication and installation of thin steel flanged rectangular duct, flanged rectangular duct and flanged rectangular duct. The Atlas is a set of manufacturing, processing, installation, mainly for the design unit selection and construction and installation of manufacturing units and manufacturers use. Atlas introduced sheet steel flanges rectangular duct with fully automatic assembly line to complete a variety of processing operations, its production efficiency