求翻译：（1）直击雷过电压。雷云直接击中电力装置时，形成强大的雷电流，雷电流在电力装置上产生较高的电压，雷电流通过物体时，将产生有破坏作用的热效应和机械效应。是什么意思？

(1) direct lightning stroke over-voltage. The Thundercloud a direct hit by an electrical device, to create a strong lightning current and lightning current in high voltage electrical installation, lightning current through the object, will produce the damaging effects of thermal effects and mechanic

(1) has been the mine over voltage. thundercloud directly hitting power when the unit, creating a powerful lightning current, lightning current in electrical installations, have a higher voltage, current is passed through objects, will have a destabilizing effect of the heating effect and mechanical

(1) strikes the thunder overvoltage straight.When directly the thunder clouds will hit the electric power installment, forms the formidable thunder electric current, the thunder electric current produces the high voltage when the electric power installment, the thunder and lightning has circulated t

(1) direct lightning overvoltage. Thundercloud directly when you hit the power plant, forming a strong lightning current, produce higher voltage on lightning current in electrical installations, lightning current through the object, will have a destructive effect of thermal and mechanical effects.

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