单项选择题X 纠错
A.10mm B.14mm C.18mm D.20mm
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单项选择题
A.150~250kPa B.200~300kPa C.250~350kPa D.300~400kPa
A.200V B.300V C.400V D.500V
填空题
A.1.3~2.5mm B.1.5~2.5mm C.1.8~2.5mm D.2~2.5mm
A.1/5 B.1/4 C.1/3 D.1/2
A.0.6~1.0mm B.0.7~1.1mm C.0.8~1.2mm D.0.9~1.3mm
A.2kW B.5kW C.8kW D.10kW
A.5% B.10% C.15% D.20%
A.2MΩ B.3MΩ C.5MΩ D.10MΩ
A.2% B.4% C.6% D.8%
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