急求《地铁与火车的区别》英语作文

1,the design of the subway line in the urban areas is basically go underground,take the ground in the urban areas or elevated,mainly from the construction cost into account,there is no Yidingzhigui.
2,the MTR national railway gauge and gauge trains are the same,at least in China that is the case (the majority of other countries,individual countries),is 1435mm.Subway ventilation on power because of power problems EMU,and the train is the internal combustion and electric power.Control is basically the same way.
3,the basic consent.
4,a separate subway trains carrying capacity of not more than a small number - a simple calculation,the Beijing Subway 6 grouping,the peak time for each section 250 calculation,which is 1,500; now open the train line in the first all-Z word out soft,full - But also included 500 people.
好像晚了一点 不过还是回答一个 希望以后能用上