导电接头连接不紧密
Thecompanyismanufacturingandcircuitbreakers，highandlowvoltageelectricalequipmentpartssoftconnection，conductivetape，suchascopperrootcompo...
Thecompanyismanufacturingandcircuitbreakers，highandlowvoltageelectricalequipmentpartssoftconnection，conductivetape，suchascopperrootcompo...