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[单选题]
ZPW-2000R型无绝缘轨道电路在2300Hz区段补偿电容参数满足的指标及范围是()
A.40±2.0uf
B.33±1.65uf
C.30±1.5uf
D.28±1.4uf
查看答案
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A.40±2.0uf
B.33±1.65uf
C.30±1.5uf
D.28±1.4uf
A.2×28×0.15mm
B.2×30×0.55mm
C.4×28×0.15mm
D.4×30×0.55mm
A.ZPW-2000A型无绝缘移频自动闭塞
B.移频自动闭塞
C.微电子交流计数电码轨道电路
D.25Hz相敏轨道电路
A.直流22.5V~28.8V
B.交流22.5V~28.8V
C.直流24.5V~34.8V
D.交流24.5V~34.8V