ZPW-2000R型无绝缘移频轨道电路自动闭塞，室内编码线采用( )双芯绞型阻燃线。[312050203]
A.(A)16×0.15mm
B.(B)16×0.55mm
C.(C)32×0.15mm
D.(D)32×0.55mm
正确答案是A
ZPW-2000R型无绝缘移频轨道电路自动闭塞，室内编码线采用( )双芯绞型阻燃线。[312050203]
A.(A)16×0.15mm
B.(B)16×0.55mm
C.(C)32×0.15mm
D.(D)32×0.55mm
正确答案是A