Function and working principle of a gate watching dog of a guide circuit and a kind of a guide gate watching dog are presented for an intelligent vacuum circuit breaker in coal mine.
介绍了用于煤矿井下智能型真空磁力起动器中的先导电路看门狗的功能及工作原理和一种先导看门狗电路。
Then, on Sunday afternoon, I looked out of the kitchen window to see our dog Quatchi watching something on the ground.
然后，在星期天的下午，我从厨房窗户往外看，看到我们的狗 Quatchi 在看地上的什么东西。
Watching a cat or dog at play can be relaxing and reduce stress.
养一只猫或者狗能使人感觉轻松，同时减少压力。
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