The Buchholz Relay is used as a protective device sensitive to the effects of dielectric failure inside the equipment.

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。

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This ensures that the only protective device to trip is the one nearest to the fault.

还可以确保惟一跳闸的保护装置就是离故障点最近的装置。

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High viscosity of the pump outlet pipe also shall set up relief valve or other protective device on the road, so that once the clogging pump export channels, can open the relief valve pressure relief.

高粘度泵的出口管路上还应当设置安全阀等保护装置，这样一旦泵的出口通道发生堵塞，就可以打开安全阀卸压。

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Material from the RQ36 asteroid will be sent back to Earth in a special protective device.

VOA: special.2011.06.22

Increasing numbers of divers are using a protective electronic device, called Shark Shield, while they work.

CNN: Divers embrace anti-shark device

These stickers, two of which are bundled with the device, lie sealed in a protective envelope -- presumably, to keep them free from outside interference.

ENGADGET: LG Optimus Vu review: a 5-inch, pen-enabled phone to take on the Galaxy Note

However, stiff competition in the mobile device market has lead to a much more protective stance by many companies over their patents in order to generate revenues.

BBC: Ericsson sues Samsung for alleged patent violation