近几十年来陕北地区油气大规模的开采，对延河和清涧河流域地表水水质状况造成严重影响。

With the increase of petroleum resource exploitation in Northern Shaanxi during recent decades, the quality of surface water of Yanhe River and Qingjianhe River is affected seriously.

youdao

近几十年来陕北地区油气大规模的开采，对延河和清涧河流域地表水水质状况造成严重影响。

With the increase of petroleum resource exploitation in Northern Shaanxi during recent decades, the quality of surface water of Yanhe River and Qingjianhe River is affected seriously.

youdao