监控器,监控设备,信号器;
This system has watch-dog circuIt'so it prevents work abnormality by program fleet and power fault.
本系统设计了看门狗电路,防止由于程序跑飞和电源故障引起的工作不正常.
A big watch dog is tied to the wood pile in the front of his house.
他家大门口的木桩上拴着一只看门大狗.
The watch dog gave her a feeling of security.
那只看门狗让她感到安全.
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