HRA HRB HRC HRD HRE HRF HRH与HSD换算表

HRA 60kgHRB 100kg(1/16"钢球) HRC 150kgHRD100kgHREHRFHRHHSD邵氏85.6---68.076.99785.3---67.576.59685.0---6

腾讯文库HRAHRA HRB HRC HRD HRE HRF HRH与HSD换算表