单项选择题X 纠错
A.100% B.80% C.60% D.50%
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单项选择题
A.0.2mm B.0.3mm C.0.4mm D.0.5mm
A.1MΩ B.2MΩ C.3MΩ D.4MΩ
A.60% B.70% C.80% D.90%
A.5A B.10A C.15A D.20A
A.40mm B.50mm C.60mm D.70mm
A.10%~15% B.10%~20% C.10%~25% D.10%~30%
A.0.04V B.0.05V C.0.06V D.0.07V
A.1s B.1.5s C.2s D.2.5s
A.1.25~1.30mm B.1.25~1.40mm C.1.25~1.50mm D.1.25~1.60mm
A.55% B.65% C.75% D.85%
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