P-DN25 301材质,H72H-16P-DN25 304材质,H72H-16C-DN32 ,H72H-16P-DN32 301材质,H72H-16P-DN32 304材质,H72H-16C-DN40,H72H-16P-DN40 301材质,H72H-16P-DN40 304材质,H72H-16C-DN50 ,H72H-16P-DN50 301材质,H72H-16P-DN50 304材质,H72H-16C-DN65 ,H72H-16P-DN65 301材质,H72H-16P-DN65 304材质,H72H-16C-DN80 ,H72H-16P-DN80 301材质,H72H-16P-DN80 304材质,H72H-16C-DN100 ,H72H-16P-DN100 301材质,H72H-16P-DN100 304材质,H72H-16C-DN125,H72H-16P-DN125 301材质,H72H-16P-DN125 304材质,H72H-16C-DN150 ,H72H-16P-DN150 301材质,H72H-16