相关ChinaonSaturdayopene的文学知识

问题详情：ChinaonSaturdayopenedtheworld’smostelevatedrailway(高架铁路)withthefirstpairofpassengertrainstravelingacrossthe“roofoftheworld”.   TwotrainssetoffatGolmudandLhasa,thetwostart-uppointsoft...