铁道

• Much of the railway is at altitudes with thin air
  铁道大部分位在空气稀薄的高海拔。
• Measurement machines for wheel - height of railway vehicle
  铁道车辆轮重测定仪
• Aggregates for railway ballast ; german version en 13450 : 2002
  铁道路基用集料
• Railway vehicle vocabulary part 9 : electric equipment
  铁道车辆词汇第9部分：电气装置
• Oume railway park c11 class steam locomotive
  青梅铁道公园c11型水柜蒸汽机车
• Oume railway park 110 class steam locomotive
  青梅铁道公园110型水柜蒸汽机车
• A . c . voltage of electric traction for the railway main lines
  铁道干线电力牵引交流电压
• A . c . supplied electronic ballasts for railway passenger car
  铁道客车用交流电子镇流器
• Axles for railway rolling stock - quality requirements
  铁道车辆轴.质量要求
• Wheelset of railway vehicles - types and basic dimensions
  铁道车辆用轮对型式与基本尺寸