The mine would also need at least 50 megawatts of power—but even nearby Kabul has only a single 19-megawatt generator, able to power the city for four hours every other day.
Aynak矿也将需要至少50兆瓦特的电力，但即使是在喀布尔附近也只有一座19兆瓦特，可以供应该城市每两天四小时电力的的发电厂。
Among the leaders is a Massachusetts company that plans to use hundreds of "flywheels" to store 20 megawatts of electricity, enough to power 200 homes for a day.
麻省的一家公司是这个行列中的领军之一，他们打算使用几百个“飞轮”来储存20兆瓦的电量，它们能满足200个家庭一天的用电量。
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