American Electric Power co. Inc. has installed 7 megawatts of the bus-sized batteries to ease congestion on its transmission lines, and it has an additional 4 megawatts under development.
美国电力公司安装了7兆瓦的电池，每个有公共汽车那么大，用来缓解输电线的超负荷现象，另外还有4兆瓦的电池还在研制中。
American Electric Power co. Inc. has installed 7 megawatts of the bus-sized batteries to ease congestion on its transmission lines, and it has an additional 4 megawatts under development.
美国电力公司安装了7兆瓦的电池，每个有公共汽车那么大，用来缓解输电线的超负荷现象，另外还有4兆瓦的电池还在研制中。
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