Well hua 49 area in Huachi oil field, Xuanma area, well 63 area, well 55 area in Chenghua region in Shan-gan-ning basin are now produced under natural water drive.

陕甘宁盆地城华地区的华池油田华49井区、城壕油田玄马区、城63井区与城55井区目前均采用自然能量开采。

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In this paper, the author holds an inquiry again into the reason of immigrants and refugees in the Shan-Gan-Ning border region in the anti-Japanese war period and analyses it.

本文主要对抗战时期陕甘宁边区移难民的源流问题进行探讨，分析陕甘宁边区移难民产生的原因。

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Several huge gravitational highs are distributed over the Northern Shanxi slope areas in the eastern part of the Shan-Gan-Ning basin.

陕甘宁盆地东部的陕北斜坡区分布着几个巨型重力高。

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