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闭合蓄电池刀闸KX,卸载信号灯7XD不亮()。

发布日期:2021-03-22

闭合蓄电池刀闸KX,卸载信号灯7XD不亮()。
A

蓄电池单节有损坏或接线不良

B

LC常闭触点(385,386)虚接

C

蓄电池刀闸接触不良

D

1RD熔片烧断或RC开路

标签: 蓄电池 信号灯 7xd

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