分析了叶片数、叶片局部加厚、上冠下环厚度等因素对转轮强度性能的影响。
The factors of effecting runner intensity performance such as the blades number, local thickness of crown and band are analyzed.
为防止坝下涵管产生集中渗流，常将涵管的管壁外围局部加厚，称为截水环。
To prevent the dam seepage, he slipped end-over-end produce concentration of outer wall will often he slipped end-over-end, known as section thickness of the local water ring.
槽底局部加厚与温度变化的作用均不能忽略不计，否则，内力计算成果值会偏于不安全。
Therefore the effects of local thickening of the flume bottom and temperature variation cannot be neglected, otherwise the calculation results of internal forces will be of unsafety.
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