A.50A B.100A C.150A D.200A
A.1/2 B.1/3 C.2/3 D.3/4
A.0.5MΩ B.1MΩ C.2MΩ D.2.5MΩ
A.70% B.80% C.95% D.90%
A.稍高 B.稍低 C.相等
微信扫一扫关注公众号后联系客服
微信扫码免费搜题
