overflow weir中文什么意思

例句与用法

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1. Hydraulic experiments on long water supply pipelines connected to overflow weirs
   长输水管道尾部保水堰的水力特性试验研究
2. Study and practice of the scheme of unclosed levee and overflow weir type levee in qiantang river
   钱塘江开口式及滚水堰式堤防的研究与实践
3. Boats going over the overflow weirs ; access when water levels fluctuate leaving steep banks
   如何在水位下降而堤岸外露情况下，仍可安全进出水塘范围；
4. This paper introduces the surface forming technology for pocket concrete overflow weir , analyzes and compares construction technique for two types of gate and built - in parts , and presents rating methods for concrete samples when they are less than 30 groups
   摘要现介绍了小型混凝土溢流堰堰面成型工艺，分析比较了两种闸门埋件施工工艺，提出了数量不足30组时的混凝土试块评优的方法。
5. According to the hydraulic property of overflow weirs under steady flow , the flow patterns of overflow weirs were classified into free overfall and submerged overfall , and numerical models for unsteady flow were established to simulate the two flow patterns respectively
   摘要为了对保水堰的交替水流进行数值模拟，依据保水堰恒定流情况下的工作特性，将保水堰的水流形态分成堰流和满流两种状态，分别建立保水堰不同流态下的非恒定流数学模型。