竹箭挠度值     磅数        SP值

                         25#          sp1033

                         30#          sp851

                         35#          sp728

                         40#          sp648

                         45#          sp575

                         50#          sp510

                         55#          sp464

                         60#          sp427

                         65#          sp396

                         70#          sp366

                         74#          sp347

                         80#          sp322

                         85#          sp304

                         90#          sp286

                         94#          sp273

                         99#          sp261