A.21.5",12.1" B.24",12.1" C.23",10.4" D.22",10.4"
A.飛利浦Affiniti50 B.開立P50/S50 C.邁瑞DC-75 D.GE VOLUSON S8
A.19MHz B.20MHz C.21MHz D.22MHz E.23MHz