upper stream water的意思|示意
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上游水
upper stream water的网络常见释义
上游水 上游水 headwater; u er waters; upper stream water; upper waters; upstream water ..
upper stream water相关例句
A quantitative evaluation of beneficial result in conserving water and protecting soil erosion of froest in the upper stream of Miyun reservoir is produced from the information system.
利用该系统对密云水库上游密云县境内水源保护林的水源涵养与防止土壤侵蚀效益进行了定量评价。