A.15-50 B.15-80 C.25-100 D.40-100
A.CT测试 B.MwdRead C.绝缘性测试 D.MwdDownload
A.T1,T2,T3,T4,R1,R2 B.T2,T4,R2,R1,T3,T1 C.T1,T3,R1,R2,T4,T2 D.R2,R1,T4,T2,T3,T1