良心 发表于 2025-3-25 04:37:07
http://reply.papertrans.cn/107/10618/1061729/1061729_21.pngOptic-Disk 发表于 2025-3-25 10:27:01
Vortex Formation at Pipe-Offtake in an Open Channel observed that, when the water depth above the intake is low, vortices are formed which may lead to air-entrainment. The presence of air in the water leads to increased vibrations and noise. It can also affect the efficiency of the hydraulic machine to which the intake supplies the water. It is therJacket 发表于 2025-3-25 15:36:35
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Introduction,easily understandable manner, so that the reader already becomes aware of the main advantages, problems and limitations of PIV, before starting to read the detailed explanations in the main part of the book. Several major technological milestones of PIV, achieved during the last decades, resulted insigmoid-colon 发表于 2025-3-25 21:28:33
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http://reply.papertrans.cn/107/10618/1061729/1061729_27.pngDecimate 发表于 2025-3-26 08:53:40
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