@mlmsytkixpm: Unbelievable! This is how train wheels are repaired! Netizens, won't they get smaller and smaller after such repair? Can the safe operation be guaranteed? Who can give a reasonable explanation? 不可思议，原来火车是这样修理车轮的！网友，这样不会越修越小吗？能保障安全运行吗？有谁能给个合理的解释？ #火车 #维修 #科学 #Train #Maintenance

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Friday 26 December 2025 09:24:25 GMT