GB/T5652-2008表1扩口式管接头扩口端尺寸单位为毫米管子外径dodddhDA型B型33.6M1018.44.553.54.36M121.5104.85.58M14X1.511.7710M16X1.513.79011210M181.515.71161412M22X1.519.7131614M241.521.7156.574士11815M271.524.716.52017M3022718.52219M33X23020.582522M36X23323.52824M39X236263227M42X2399.53430M45242322
