When traveling from Huangshan to Xi 'an by train, which two important railway hubs in China pass along the way? Try to draw a schematic diagram of the tourist route (1), which must be marked as follow

When traveling from Huangshan to Xi 'an by train, which two important railway hubs in China pass along the way? Try to draw a schematic diagram of the tourist route (1), which must be marked as follows: Solution: (1) If you travel from Huangshan to Xi 'an, you have to go through Wuhu, Nanjing, Xuzhou, Zhengzhou and arrive in Xi 'an along the way, and find the right location to draw in turn; (2) The main transportation hubs along the way are Xuzhou and Zhengzhou, and Xuzhou is at the intersection of Longhai Line and Beijing-Shanghai Line; Zhengzhou is at the intersection of Longhai Line and Beijing-Guangzhou Line. < P > So the answer is: (1) See the figure; (2) Xuzhou; Zhengzhou.