也有提供备用灯。
当一根灯损坏后，自动切换到备用灯管，使灯器正常发光。
After one lamp is damaged, switch over managing to the reserve lamp automatically to make the lamp machine give out light normally.
如果你住的地方经常下雪，务必在行驶时带上雪铲、手电(最好装有警戒灯)、毛毯、备用手套等东西以应急。
If you live in region where it snows, do keep the snow shovels to be kept in cars, along with a torch (preferably with a blinker built in), a blanket, spare gloves, etc.
备用控制面板。它的按钮、显示灯和操作杆都更少，但同样能够进行主要的操作。
The reserve control panel. It has fewer buttons, lights and levers, but it is still able to make the main operations.
我打算在我的车上至少备用两到三台这样的工作灯。
I try to keep at least two or three in my truck at all times.
以往经常用自备柴油发电机组、蓄电池、干电池和镍镉电池应急灯作为应急备用电源。
Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.
它发出的光足以作为主灯使用，而且他非常小巧也可以作为备用。
It is bright enough to be used as a primary light, and compact enough to be used as a backup.
碳电极、碳刷、灯碳棒、电池碳棒及电气设备用的其他石墨或碳精制品，不论是否带金属。
Carbon electrodes, carbon brushes, lamp carbons, battery carbons and other articles of graphite or other carbon, with or without metal, of a kind used for electrical purposes.
法律规定必须随车携带备用的前照灯灯泡。
随着手回曲柄备用电源，这场风波站还配备了集成处理，运输方便，内置的LED灯区，以及可拆卸的LED手电筒。
With a hand crank for back-up power, this storm station also comes with an integrated handle for easy transportation, a built-in LED area light, and a detachable LED flashlight.
随着手回曲柄备用电源，这场风波站还配备了集成处理，运输方便，内置的LED灯区，以及可拆卸的LED手电筒。
With a hand crank for back-up power, this storm station also comes with an integrated handle for easy transportation, a built-in LED area light, and a detachable LED flashlight.
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