A.0.2 B.0.3 C.0.5 D.0.15
A.0.05%、0.1% B.0.1%、0.15% C.0.15%、0.25% D.0.25%、03%
A.LC測(cè)頻 B.脈沖測(cè)頻 C.數(shù)字測(cè)頻 D.RC測(cè)頻