为了合理计算内河分节顶推船队运输方式的经济效果，本文阐述了综合经济指标e的概念。
In order to calculate reasonably the economies of transport method of the river push-train, the paper describes the concept of the comprehensive economic index "e".
为了合理计算内河分节顶推船队运输方式的经济效果，本文阐述了综合经济指标e的概念。
In order to calculate reasonably the economies of transport method of the river push-train, the paper describes the concept of the comprehensive economic index "e".
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