translation.en: But a standard industrial pumping loop was redesigned to use at least 86 percent less energy, not by getting better pumps, but just by replacing long, thin, crooked pipes with fat, short, straight pipes.
translation.zh: 但是标准的工业抽水循环 经过重新设计，可以省下至少86%的能量 不需要添置新泵 只需把细薄的弯管 换成粗短的直管