作为安全装置，布赫继电器对于设备内的电介质故障是非常敏感的。
The Buchholz Relay is used as a protective device sensitive to the effects of dielectric failure inside the equipment.
在对电流波动很敏感的应用中，充气继电器具有低而稳定的泄漏电流，特别是在断开触点间，可以长时间保持很低的泄漏电流。
Gas-filled relays also provide low, stable leakage current in applications sensitive to current fluctuations especially across open contact sets over long periods of time.
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