... low grade mineral 低品位矿石 low head 低压头；低扬程 low head hydroelectric power station 低水头水电站 ...
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大型泵站低扬程泵装置效率指标的推算_水利工程 关键词：低扬程；泵装置；水力性能；指标；推算 [gap=1429]Key words:low head；pump system；hydraulic performance；index；calculation
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low head cement 低热水泥
low head dam 低位差堰
semi-low head machine 立弯式连铸机
Low Head Hydroelectric Power Station 低水头水电厂 ; 低水头发电厂 ; 低水头水电站
low head water power plant 低水头水电厂
low head pump 低压头泵
low-head 低水头
low-head pumping station 低扬程泵站
Low Head Tourist Park 鲁黑德旅游花园酒店
Comparison between 2 types of outlet conduit was executed by both numerical calculation and model test. The conduits，including siphon outlet and straight-tube outlet，are usually applied for a vertical axial-flow pump with low head.
采用数值计算和模型试验的方法对低扬程立式轴流泵虹吸式和直管式2种不同形式的出水流道进行了比较，揭示了这2种出水流道的基本流态，测试了这2种形式出水流道的水力损失。
参考来源 - 低扬程立式轴流泵出水流道基本流态及水力性能的比较—《南水北调与水利科技》—2007年第2期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
The children in the mountains most shy, strangers always shy low head, as long as the children chatted about football, they were in high spirits.
山里的孩子大都腼腆，见到陌生人总是羞涩的低下头，可只要跟孩子们聊起足球，他们就神采飞扬。
Flowrate insufficient or too low head.
流量不足或扬程太低。
The medium has an excellent purification efficiency and a very low head loss.
该介质显示优异的净化效率和极低的压降。
People driving during a tornado are told to find low ground and lay flat,facedown, with their hands covering their head.
VOA: special.2011.04.19
His head was low on his chest and he seemed to be praying.
VOA: special.2009.12.14
Kim says North Korea wants to improve its negotiating hand by saying it will not be coming to talks with its head head low.
VOA: standard.2009.10.15
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