英语翻译When the arc is established through solid insulation,per
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英语翻译
When the arc is established through solid insulation,permanent damage will be done to the insulation,and the equipment must not only be de-energized,but also repaired before it can be return to service.Solid insulation exists in power apparatus.The insulation may be paper in a cable,solid insulation in transformer windings,porcelain in transformer bushings.Compressed air and compressed gases may be found in power-circuit breakers.Oil may also be used in circuit breakers and in cables.Sometimes,inflammable liquids are used in equipment that may be installed in hazardous location.就是这段
When the arc is established through solid insulation,permanent damage will be done to the insulation,and the equipment must not only be de-energized,but also repaired before it can be return to service.Solid insulation exists in power apparatus.The insulation may be paper in a cable,solid insulation in transformer windings,porcelain in transformer bushings.Compressed air and compressed gases may be found in power-circuit breakers.Oil may also be used in circuit breakers and in cables.Sometimes,inflammable liquids are used in equipment that may be installed in hazardous location.就是这段
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