经济输电距离 economical power transmission distance
远距离输电 Long distance power transmission
长距离输电系统 long distance transmission system
超高压远距离输电线路 long uhv transmission line
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当输电距离足够长时，直流输电的经济性将优于交流输电。
As the transmission length reaches a certain distance, DC transmission becomes economically attractive over ac.
向较远地区供电的馈电线在带负荷前需经过较长的输电距离。
The feeders that served the more distant parts of an area had to go a long way before they picked up any load.
某一电压等级的输电距离，受输电线路的电压损失及输送容量限制。
The transmission distance at certain voltage level, is restricted by power line's voltage loss and transmission capacity.
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