- 問題詳情:Accordingtothespeed,Chinesetrainsaredividedintodifferentclasses,identified(確認)withdifferentlettersandnumbers.Thelettersrefertodifferentclasses. G﹣High﹣SpeedElectricMultipleUnits(EMU)Train ThisisthefastestEMUtrainrunningforlongdistanceinChin...
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