But while batteries store all the chemicals needed for the necessary chemical reactions in a sealed package, fuel cells use an external fuel source and air from the atmosphere.
电池是在密封容器存贮化学反应必需的化学品,但燃料电池却使用外部燃料和大气。
And through the water circulating system to all the air conditioning point provide external heat source.
并通过循环水系统向各个空调点提供外部热交换源。
The entire system consists of a compact, lightweight pulse control panel and carbon fiber drop-in pans. The only external equipment required is a compressed air source.
整套系统包含一个紧凑、轻便的脉冲控制面板和碳纤维岩屑盘,唯一所需的外部设备是一个压缩空气源。
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