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