Finally, consumers should also combed through the specification, and see whether machines overheating protection device, with security to prevent machine the temperature too high when the accident.

最后，消费者还应详查说明书，看机内是否具有过热安全保护装置，以防止机器温度过高时出现意外。

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The reliability assessment to relay protection system can discover the hidden failures of relay protection device, to avoid the expansion of accident due to the incorrect action of relay protection.

对继电保护系统进行可靠性评估，能及时发现继电保护装置的隐患，避免电网发生故障时因保护装置不正确动作引起事故的扩大。

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