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单项选择题
A.GB/T3956-2008
B.GB/T5013.2-2008
C.GB/T2951.11-2008
D.GB/T5023.1-2008
单项选择题
A.0.90mm,0.75mm
B.0.80mm,0.70mm
C.0.85mm,0.75mm
D.0.90mm,0.70mm
单项选择题
A.0.111MΩ/km
B.0.112MΩ/km
C.0.113MΩ/km
D.0.114MΩ/km
单项选择题
A.4.23Ω/km
B.4.24Ω/km
C.4.25Ω/km
D.4.26Ω/km