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来源:雅诚德英语网
By 2020, one fifth of the country's 150, 000 km railway network will be used by high-speed trains.
到2020年,中国15万公里铁路网的五分之一将供高速列车使用。
By 2020, one fifth of the country's 150, 000 km railway network will be used by high-speed trains.
到2020年,中国15万公里铁路网的五分之一将供高速列车使用。