单项选择题
A.261V B.296V C.306V D.311V
A.200V B.190V C.165V D.176V
A.230V B.245V C.253V D.260V
A.VSWR≤0.9 B.VSWR≥1.5 C.VSWR≤1.5 D.VSWR=1
微信扫一扫,加关注免费搜题