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1、Power carA power car is a kind of railroad vehicle, it is driven by electric power.Power car Origin Application Advantage Shortage Pictureorigin The earliest power car is occurred in 1906 in the United States. The power car equip a gasoline engine which have 150 kilowatt. The car has 91 position and

2、 capacious luggage room.Application The development and application of power trains in Japan have the largest proportion, accounted for 87%.The Dutch, Britain have second scale, and account for 83% and 61% respectively. Germany is the country which is earliest manufacturing and using power car and t

3、he manufacturing technology has been in leading position.advantage Power car have a faster speed. Power car is driven by electric power, it is beneficial to environment. Nearly all high speed trains use power cars, frequently at both ends. This way can greatly improve work efficiency.shortage Power cars are limited to passenger trains as their relative lack of versatility makes them unsuitable for hauling freight. The technology about power cars in

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