passenger-mileage 中文意思是什麼
passenger-mileage
解釋
客運周轉量-
At the present, the total mileage of the world high - speed railway is nearly 5000km, which passenger car mainly runs on, and development of high - speed freight car is tardily
目前,世界上高速鐵路的總里程已近5000公里,但主要是運行旅客列車,而高速貨物列車發展則較為緩慢。
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