headwater
上游源头
常用释义
英式发音
美式发音
基本释义
- n. 上游源头
例句
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1·The eastern Qinghai Plateau is the headwater area for many large Asiatic rivers.青藏高原东部是亚洲一些大河的发源地。
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2·Comparison of leaf decomposing rate in a headwater stream in Xiangxi River catchment.香溪河流域河流中树叶分解速率的比较研究。
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3·The design considers the integral effect of the upstream headwater channel and downstream scout gallery.本设计考虑了上游引水渠和下游冲沙廊道布置对漏斗水流整体的影响。
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4·It will lengthen as a result of headwater erosion and thereby will cut a valley through both hard and soft rock.由于向源侵蚀的结果，它不断延长并且穿过软硬岩石从中切出一条河谷来。
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5·The invention use streamlined guide plate and cup wheel, it is uneasy to plug, and can achieve a small headwater loss purpose.本发明用流线型导流板及杯式叶轮，不易堵塞，且可以达到水头损失小的目的。
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6·Having determined our gross head, we will now have to determine the losses in our water delivery system from the Headwater Dam to the turbine.在确定我们的总负责人，我们现在必须确定从河源大坝损失的涡轮在我们的供水系统。
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7·Headwater acidification is still a significant problem for important salmon fisheries, and Special Areas of Conservation such as the Welsh River Wye.河流源头酸化依然是重要的鲑鱼水产业和特别保护区(例如威尔士·怀尔河)面临的一个严重问题。
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8·The impact of temperature and precipitation changes on annual and monthly runoff process in headwater area of the Yellow River was analyzed by using WEP-L model.本文应用WEP-L模型分析了气温和降水变化对黄河源区年、月径流过程的影响。
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9·We do this by finding the difference in height between the source water (Headwater level) and the level of the discharge water from the turbine (the tailwater level).我们可以通过寻找在这个高度差之间源水(水源一级)和水的排放水平从涡轮(尾水的水平)。
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10·In the arid and poor mountain lands, shrubs are used to conserve soil, water and headwater and to improve ecological environment, which can not be replaced by any tree species.在干旱瘠薄山地，灌木保持水土、涵养水源、改善生态环境等方面具有乔木树种不可代替的作用。