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 safety regulation[法] 列车安全规则train performance graph列车运行实绩图train protection switch列车防护道岔train the specification培养规格train traffic simulator列车运行模拟器train wheel bridge foot上夹板位钉train speed - raising列车提速train control technology列控技术train activation circuit列车激活回路train control automation铁路行车自动化