电信号灯 electric signaling
仪表断电信号灯 instrument power-off light
电池信号灯 battery check lamp
无线电话信号灯 radio communication sytem tell-tale ; tale
发电机火警信号灯 engine fire-warning light
电石信号灯 carbideflare
电石灯信号浮标 carbide float
信号灯电池 [电] signal lantern battery
信号灯电驿器 signal lamp relay
风窗电加热器信号灯 windscreen electric heater tell-tale
这个系统使用起来十分简单：把一个能够发射无线电的信号灯放在家里，把信息发射器绕在你的脚踝上。
The system works simply: you keep a radio beacon in your home and a transmitter around your ankle.
如果没有电，人们需要借助微弱的烛光来摸索前行，路上的汽车由于没有交通信号灯的指示将会迟疑不前，食物也会在没有电的冰箱里腐烂。
When there is a power failure, people grope about in flickering candlelight; cars hesitate in the streets because there are no traffic lights to guide them, and food spoils in silent refrigerators.
应用推荐