焊管设备属轧钢设备类的非标设备，其基础设计、施工和安装没有统一的国家标准。
Welded pipe units are belong to non standard units among rolling equipment and its basic design, construction and installation are no universal national standard.
焊管设备属轧钢设备类的非标设备，其基础设计、施工和安装没有统一的国家标准。
Welded pipe units are belong to non standard units among rolling equipment and its basic design, construction and installation are no universal national standard.
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