"Since they started saluting there has not been one traffic accident," she said, as the students ran and shouted in the yard.
“自从实行这项规定以来，再没有发生过一起交通事故，”她说时，孩子们在操场上跑着，叫着。
The marshalling yard at West Feng Tai, Beijing, is the busiest one on our railways, where the classification of cars is heavy and traffic volume is large.
丰西驼峰编组站是我国最大的编组站之一。作业繁忙，车流大，对丰西驼峰实现自动化是十分必要的。
The marshalling yard at West Feng Tai, Beijing, is the busiest one on our railways, where the classification of cars is heavy and traffic volume is large.
丰西驼峰编组站是我国最大的编组站之一。作业繁忙，车流大，对丰西驼峰实现自动化是十分必要的。
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