在诗词歌赋中,水历来以柔著称。我们平时看到的水也总是“温柔”无比的,这是由于它处于静止状态或流速缓慢。随着科学技术的迅速发展,人们已经有办法使看似柔弱无力的水一反常态,变得坚硬起来。早在20世纪80年代,科学家就已研发出一项新的加工技术,这就是高压水射流切割技术,人们形象地称之为“水刀”。这种刀可以说是锋利无比,甚至削铁如泥,其卓越的性能远远高于金属刀具。 In poetry, the water has always been softly called. The water we usually see is also always “gentle” because of its quiescence or slow flow. With the rapid development of science and technology, there is already a way to make the seemingly feeble water uncharacteristically harden. As early as the 1980s, scientists have developed a new processing technology, which is high-pressure water jet cutting technology, people vividly call it “water knife.” This knife can be said to be sharp and even cut iron, its superior performance is much higher than metal knives.