• 1. draft taper: 拔模锥度 | 拔模斜度 | 起模斜度
• 2. draft t taper: 拔模锥度
• 3. taper draft: 减面率梯度

• 1.With the FFT analysis it is analyzed that the pressure surge changing laws in the taper pipe and draft tube in time domain and frequency domain.
  通过水压力脉动数据的FFT频谱分析，研究了直锥段和尾水管内部在不同位置不同工况下的压力脉动在时域及频域上的变化规律。
  dict.yoduao.com
• 2.In the experimental study, the pressure surge data are acquired at 26 points from the taper pipe intake to the draft tube exit distributing at 8 sections under 6 stable operating conditions.
  对水轮机模型，测取了从直锥段进口至尾水管出口8个截面共26个测点在6个稳定运行工况下的水压力脉动数据。
  dict.yoduao.com

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