基本解釋[交通運輸工程]鉄路重載運輸英漢例句雙語例句The present and problems of Datong-Qinghuangdao railway are introduced in the article as the railway opened to traffic in 1988 and promise of heavy-haul transportation is described.介紹了大秦線1988年底開通以來的運營狀況與存在問題，對該線重載運輸今後的發(fā)展提出了希望。railway heavy haul traffic更多例句專業(yè)釋義交通運輸工程鉄路重載運輸