人们出外远足或到深山旷野去工作,一个经常遇到的难题就是如何得到清洁的饮用水。不久前,匈牙利的专家们研制出了一种便携式无污染饮水器。通过它的过滤,河流、湖泊或渠中的水便能成为清洁卫生的饮用水。这种饮水器的装置其实很简单:水先经过过滤器加以澄清,然后进入装有活性炭的吸水器,消除寄生虫及其他杂质,最后由电氯化 One of the most common problems that people face when exiting hiking or going to the wilderness is how to get clean drinking water. Not long ago, Hungarian experts developed a portable non-polluting drinking fountain. Through its filtration, water in rivers, lakes or ditches can become clean drinking water. The device is actually very simple drinking fountains: the water first through the filter to clarify, and then into the activated carbon water absorbers to eliminate parasites and other impurities, and finally from the electric chloride