Traini特拉伊尼trainn.列车；火车；行列；一系列vt.训练；培训；瞄准vi.进行锻炼，接收训练；练习train induced vibration列车振动Train operation service车务train diagram describer列车运行图描述器train transfer function应变传递函数train operation density运行密度Train-produced refuse铁路垃圾train of superior class优先等级列车train dispatching model机车调度模型train control territory列车控制地段train safety inspection列车安全巡检