This paper advances calculation method for unit construction prices of pipelines and annual power cost.

本文提出单位长度管线造价及管网能耗即环状管网年动力费的计算方法。

youdao

This paper advances calculation method for unit construction prices of pipelines and annual power cost.

本文提出单位长度管线造价及管网能耗即环状管网年动力费的计算方法。

youdao