电气设备热故障会导致绝缘下降并击穿，使设备损坏，甚至引起火灾。
The heat fault of the electric equipment can cause insulation down and breakdown and makes the equipment damage, even gives rise to fires.
在医院这种特殊的使用场合，频繁的装拆、清洗，特别是反复的高温、高压水蒸气消毒是造成电气绝缘下降的主要原因。
Because of frequent setup and disassembly, cleaning and autoclaving steam sterilization, the steam is infiltrated into the ultrasonic handpiece, resulting in failure of electric insulation.
在气体慢积累模式中，可能由于轻微过在，绝缘油分解产生的气体在继电器的顶部聚集，迫使油位下降。
On a slow accumulation of gas, due perhaps to slight overload, gas produced by decomposition of insulating oil accumulates in the top of the relay and forces the oil level down.
采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法，解决了正负母线绝缘均按比例下降时失效的问题。
A new method is adopted to real-timely monitor DC system insulation, which applies double asymmetrical Bridges to keep it effective when positive and negative pole insulations drop in same proportion.
简要分析了氧化锌避雷器底座支持小瓷瓶绝缘电阻下降的产生原因，并介绍了一种简便的处理方法。
The reason that the insulation resistance becomes low for the ZnO arresters base support is briefly analyzed.
有优良的电气性能和稳定的化学性能，因此绝缘材料不老化，电性能不下降，使用寿命大于30年。
So this insulation material has the properties of anti-aging and less power reduction and the service life of the material is over 30 years.
但其吸水率较高，受潮后绝缘电阻会大幅度下降，尺寸膨胀也较大。
Owing to its strong water suction, the resistance of the material would widely drop after wetted, the dimension of which inflated and deformed comparatively.
但其吸水率较高，受潮后绝缘电阻会大幅度下降，尺寸膨胀也较大。
Owing to its strong water suction, the resistance of the material would widely drop after wetted, the dimension of which inflated and deformed comparatively.
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