平常，充电器与人造心脏相联接(以供电)，但如果病人配备有电池，可以将电池随身携带在背心或背包内，从而使病人能够自由活动。
The charger is usually plugged into the mains, but if armed with a battery it can be carried around for hours in a vest or backpack, thus allowing the patient to roam freely.
孩子吞食的是一枚“纽扣”电池，一枚银色扁平碟状样的东西，是用来给遥控器，玩具，音乐贺卡，浴室秤及其它家用电器等供电的一枚电池。
The child had ingested a "button" battery, one of those flat silver discs used to power remote controls, toys, musical greeting CARDS, bathroom scales and other home electronics.
一名瑞士男子近日想出一个给手机充电的绝招：把太阳能电池板绑在狗身上，这样就造出了随时供电的便携式“太阳能狗”充电器。
A Swiss man has created a "solar dog" phone charger that combines a solar panel with a dog for the ultimate portable charging solution.
译：充电系统为电池充电，为汽车电器系统提供电源。
An charging system reenergizes the battery and supplies electricity for all the car'selectrical system.
一名瑞士男子近日想出一个给手机充电的绝招：把太阳能电池板绑在狗身上，这样就造出了随时供电的便携式“太阳能狗”充电器。
Swiss man has created a "solar dog" phone charger that combines a solar panel with a dog for the ultimate portable charging solution.
本发明涉及一种用交流电的电子音乐门铃，由普通电子门铃加整流电源、继电器及功率放大器构成。本发明不再需要电池供电。
This AC electronic music door bell is composed of general electronic door bell, rectified power supply, relay and power amplifier and does not need battery to power it.
智能充电器可满足机车辅助供电的需要，也可以对机车蓄电池进行智能充电，延长蓄电池的使用寿命。
The new charger will meet the need of locomotive auxiliary power and increase the service life of battery.
智能充电器可满足机车辅助供电的需要，也可以对机车蓄电池进行智能充电，延长蓄电池的使用寿命。
The new charger will meet the need of locomotive auxiliary power and increase the service life of battery.
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