相關ChinaonSaturdayopene的文學知識

問題詳情：ChinaonSaturdayopenedtheworld’smostelevatedrailway(高架鐵路)withthefirstpairofpassengertrainstravelingacrossthe“roofoftheworld”.   TwotrainssetoffatGolmudandLhasa,thetwostart-uppointsoft...