长距离输煤管道线路在不同地形条件时的选线

Discussion on Selection Line for Convey Coal Pipe under the Different Terrain Condition

阐述了长距离输煤管道线路在地形条件不同时选线要点也不同 ,说明在管道布线时要精心选择 ,反复比较 。

Expounds the selection line methods for convey coal pipe under the different terrain conditions,explains how to select the resonable line.