A.1+(0.1-0.2mm)、0.2mm B.0.5+(0.1-0.2mm)、0.2mm C.1+(0.1-0.2mm)、0.5mm D.2+(0.1-0.2mm)、0.2mm
A.80%、3~6dB B.80%、3~9dB C.90%、3~9dB D.80%、6~9dB
A.K1.2 B.K1.3 C.K1.4 D.K1.5