In case of the turbine is operated departing the optimum condition, the low presure and the vortex band will be established in the draft tube centre by the flow circulation.

水轮机在偏离最优工况运行时，水流的环量会使尾水管中心产生低压并形成涡带。

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In this band wave of the vortex, there are formed called "LANDS" group of young people in this band.

在这个乐队风潮的旋涡中，有组建了名为“LANDS”这一乐队的一群年轻人。

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Tower has two giant holes, the sea at an alarming speed from the two giant holes flow, which rolled up strong spray, a huge vortex, so that this band wave surging waters, the sea fog with activity.

塔上有两个巨洞，海水以惊人的高速从这两个巨洞中流过，从而卷起狂澜，形成巨大旋涡，使这一带水域的浪潮汹涌澎湃，海面雾气腾腾。

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