The hollow axle driving system of wheel sets of DF 11 locomotives is a new main component developed for speedup of domestic railwaypassengertraffic.
东风11型机车轮对空心轴驱动系统是为我国铁路客运提速开发研制的机车重大新部件。
2
SARS in 2003 is a public health crisis with high infectiousness. The railwaypassengertraffic volumes in China went steadily downhill and suffered a heavy loss.
2003年SARS是高传染性的公众健康危机,我国铁路旅客运输出现严重“滑坡”并蒙受巨大损失。
3
The share of railwaypassenger transport market shows continuous decrease status, which caused by long-period lack of transport capacity and down railwaypassengertraffic volume.