單項(xiàng)選擇題
A.0.1% B.0.3% C.0.6% D.0.8%
A.27.8mm/kV B.34.7mm/kV C.43.4mm/kV D.53.7mm/kV
A.18mm/kV B.22mm/kV C.26mm/kV D.30mm/kV
A.70% B.60% C.50% D.40%
A.1次 B.2次 C.3次 D.4次
A.3% B.5% C.10% D.15%
A.0.01% B.0.02% C.0.04% D.0.06%