Electrical insulation testing and repair the damage of the communication system.
进行电的绝缘检测和修理损坏的通讯系统。
Stray current leakage is usually a result of damage or wear to the wiring system or poor installation of wiring or electrical equipment.
杂散电流泄露通常是配线系统破损或者磨损的结果，或者是由电线电气设备安装不当造成的。
Stray current leakage is usually a result of damage or wear to the wiring system or poor installation of wiring or electrical equipment.
杂散电流泄露通常是配线系统破损或者磨损的结果，或者是由电线电气设备安装不当造成的。
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