外力破坏是指人们有意或无意造成的线路部件的非正常状态。
电缆线路外力破坏防护 Cable external damage protection
活动把手结构，防外力破坏。
The movable handle structure may avoid the damage caused by external force.
埋墙式设计：有效防止外力破坏，挑选优质材质，豪华耐用；
Buried wall design: effectively prevent damage, select high-quality material force, luxurious and durable.
分析了外力破坏，配电网闪络、配电网过电压等因素对配电网可靠性的影响。
This paper analyzes the factor of external destroy, distribution network flash, distribution network excess voltage influencing reliability of distribution network.
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