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经过诺福克南方铁路公司董事会的批准，该铁路与GE公司达成了购买240台4000英制马力（2983kW）直流传动内燃机车的协议。有关这笔机车订货的成交额没有马上披露。人们不禁要问，在机车市场趋势已经大大向交流牵引倾斜之时，为何仍选择了直流传动机车？人们推销交流传动机车的一
After approval from the Norfolk Southern Railways Board of Directors, the railway and GE entered into an agreement to purchase 240 4,000 hp (2983 kW) DC-driven diesel locomotives. The turnover of this locomotive order was not immediately disclosed. People can not help but ask why the DC drive locomotive is still selected when the locomotive market trend has been greatly tilted toward the exchange traction. People sell one of the AC drive locomotives