Railroads, bus lines, gas and electric companies are public utilities.
铁路、公共汽车、煤气和电力公司都是公用事业。
As a new type of public transportation tool, the hybrid electric bus attracts people's attention since its better fuel economy and emission performances.
作为一种新型的城市公共交通工具，混合动力客车由于具备良好的燃油经济性和排放性日益受到各方的关注。
As a new type of public transportation tool, the hybrid electric bus attracts people's attention since its better fuel economy and emission performances.
作为一种新型的城市公共交通工具，混合动力客车由于具备良好的燃油经济性和排放性日益受到各方的关注。
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