單項(xiàng)選擇題
A.AO2-90S-6-B34 B.Y90S-6-B35 C.Y90S-7-B35 D.AO2-90S-7-B35
A.8.5MPa B.9MPa C.10~11MPa D.12MPa
A.3MPa B.4MPa C.9MPa D.12MPa
A.42Ω B.45Ω C.50Ω D.54Ω
A.普通型和快速型 B.普通型 C.快速型 D.電液型
A.3±1.5 B.3.5±1.5 C.4±1.5 D.4±1.2
A.1±0.5 B.1.5±0.5 C.2±0.5 D.2.5±0.5
A.69±3 B.75±3 C.120±3 D.150±3
A.160±3 B.150±3 C.152±3 D.156±3
A.200V B.600V C.300V D.500V
A.2A B.3A C.4A D.5A