After several years of changes, especially in underground Kwu river slowly transformed Ancient Walter Pyramid area.

经过几千年的变迁，地下罟尤河慢慢改造了古瓦尔金字塔地区。

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Due to development and utilization of shallow underground water in southern flood alluvial area in the Yellow River Delta area, regional group of funnels have been formed in this area.

黄河三角洲南部冲洪积扇区浅层地下水由于长期大量开发利用，早已形成了区域性漏斗群。

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In area south of Yangtze River it is difficult to find a proper underground gas storage. The peak regulation by means of LNG and safety measurement has more advantage, than by the pipeline.

在江南地区难以找到地下储气库情况下，采用LNG调峰和保安措施要优于管道调峰方案。

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