美发明能防止水管冻裂的水龙头美国科学家最近研制出一种新型水龙头，可以防止水管被冻裂。水在摄氏零度以下结冰后体积膨胀，会撑破水管，这是冬季水管破裂的主要原因。据美国《未来学家》杂志报道，美国伊利诺斯大学的研究人员研制出一种能自动滴水的水龙头，可以在水管... U.S. invents a faucet that can prevent the freezing of water pipes. American scientists recently developed a new type of faucet that can prevent water pipes from being frozen. Water expands in volume after freezing below zero degrees Celsius, breaking the water pipe, which is the main cause of water pipe rupture in winter. According to the report of the American “Futurist” magazine, researchers at the University of Illinois developed a tap that can automatically drop water, which can be used in water pipes...