British firm, Aggreko, has won a contract to set up electrical generators to supply 30mw to Ethiopia's grid.
英国公司Aggreko赢得了一份建造为埃塞俄比亚提供30MW电力的发电机的合同。
But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all.
但有一些动物的某些肌肉细胞能转化成专门的发电机，以致完全失去肌肉细胞的功能。
If the network contains no energy sources, such as batteries or electrical generators, it is known as a passive network.
如果在网络中没有电源，例如电池或者发电机，则称为无源电路。
But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all.
但一些动物的某些肌肉细胞能转化成一个个发电机，以致完全失去肌肉细胞的功能。
But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all.
但一些动物的某些肌肉细胞能转化成一个个发电机，以致完全失去肌肉细胞的功能。
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