A.6000R B.6500R C.7000R D.7500R E.8000R
A.4~15MeV B.10~25MeV C.10~20MeV D.4~25MeV E.4~20MeV
A.5mm~10cm B.5mm~20cm C.5mm~5cm D.5m~15cm E.5~10mm