railway heavy haul traffic

基本解释

• [交通运输工程]铁路重载运输

英汉例句

双语例句

• 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.
  介绍了大秦线1988年底开通以来的运营状况与存在问题，对该线重载运输今后的发展提出了希望。

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专业释义

交通运输工程

• 铁路重载运输