ZP?W1-18型无绝缘移频自动闭塞,站内功放盒功出电压()。[321010104]
A.AC18.0V~35.0V B.DC18.0V~35.0V C.AC20.0V~40.0V D.DC20.0V~40.0V正确答案A
ZP?W1-18型无绝缘移频自动闭塞,站内功放盒功出电压()。[321010104]
A.AC18.0V~35.0V B.DC18.0V~35.0V C.AC20.0V~40.0V D.DC20.0V~40.0V正确答案A
