URL：https://www.researchgate.net/publication/369074628/figure/fig5/AS:11431281129620601@1679591093855/Plant-curve-trend-of-the-total-head-drop-HkT-HkT_Q320.jpg
掲載元：https://www.researchgate.net/figure/Plant-curve-trend-of-the-total-head-drop-HkT-HkT_fig5_369074628
