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Accordingtothespeed,Chinesetrainsaredividedintodifferen...
问题详情:Accordingtothespeed,Chinesetrainsaredividedintodifferentclasses,identified(确认)withdifferentlettersandnumbers.Thelettersrefertodifferentclasses.   G﹣High﹣SpeedElectricMultipleUnits(EMU)Train   Th...
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