A.電流誤差小于5%、角度誤差小于10° B.電流誤差小于5%、角度誤差小于7° C.電流誤差小于10%、角度誤差小于7° D.電流誤差小于10%、角度誤差小于10°
A.0.9~1.0 B.1.02~1.15 C.1.2~1.35 D.1.4~1.55
A.2ms B.3ms C.4ms D.5ms