rail mileage open to traffic
... 公路通车里程 mileage in highway open to traffic 铁路通车里程 rail mileage open to traffic 通车里程, 周转量 traffic mileage ...
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铁路通车里程迅速增加，铁路中小站段随之增长。
With the growth of railroad traffic mileage rapidly, the moderate and small stations increase.
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