Several safety protection devices.
多种安全保护装置。
Information protection and built-in power surge, lightning protection devices.
断电信息保护和内置浪涌、雷击保护装置。
The protection devices have been tested under operating condition and found in trouble.
保护装置在运行状态下试验过，发现有故障。
XML threat protection is only a small part of what these amazing devices can do.
XML威胁保护只是这些令人惊讶的设备所能完成的任务中的一小部分。
Pressure relief devices provide protection against excessive pressure in the container.
减压装置为容器提供过压保护。
Pressure relief devices provide protection against excessive pressure in the container.
减压装置为容器提供过压保护。
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