“转轨”的英语？

通用柴油动力火车头将车厢转轨到了4号月台。The GM diesel engine shunted the coaches to Platform 4.爱沙尼亚正在向市场经济转轨。Estonia is switching to a market economy.但对转轨期的具体理解, 不尽相同.But right the specific understanding of shunt period, endless and identi...