headwater造句
例句与造句
- The research of the subject had study thoroughly the using situation of the water and soil of ejina oasis in the downstream of the inland river in the arid area . and it had get the experience and test of the use of water and soil through study the past material . and it had make it known that the decrease of the runoff volume from headwater , the excessive cultivation area and serious waste of water are reasons for desert soil and ecotope deterioration
本文在对位于干旱区内陆河下游的额济纳绿洲水土资源开发利用现状,进行全面研究的基础上,总结了近五十年额济纳绿洲水土资源开发利用的经验和教训,找出了存在的问题:上游来水减少,过度开垦,水资源浪费严重,土地荒漠化加剧,生态环境恶化。 - It's difficult to find headwater in a sentence. 用headwater造句挺难的
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