他们已发现了我们，就用闪光信号灯向山谷发去了信号。
Once they'd found us, a signal was sent to the valley with a flashlight.
我们掉进了一个弹坑，我从我的舱门上爬了出来，用闪光信号灯表示我们出事了。
We had fallen into a crater, and I climbed out of my hatch with a flashlight to figure out what had happened.
复合式闪光继电器是一种用来控制转向信号灯和危险报警灯的电子产品。
The composite flash relay is a kind of electronic product to control steering signal lights and danger alarm lights.
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