upper track wheel 履带支托轮 ; 托带轮
The speed of train is high, to ensure regularity of the upper track and reduce maintenance workload, the requirements of settlement after construction of subgrade are extremely stringent.
列车行驶速度高,为了保证上部轨道结构的平顺性,并减少运营期间的维护工作量,对路基的工后沉降有着极其严格的要求。
Regardless, upper management wants to track resources and costs for the requirements and evaluate the work done, just like any other task.
无论如何,上层管理想要跟踪需求的资源和成本,并且评估完成的工作,就像其它任何任务一样。
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