单项选择题
A.0.06~0.10s B.0.08~0.12s C.0.10~0.14s D.0.12~0.16s
A.0.06~0.12s B.0.12~0.18s C.0.06~0.18s D.0.12~0.20s
A.0.15mV B.0.20mV C.0.25mV D.0.30mV