筛网消能工,已在黑龙江、吉林等地区中小型水利工程中采用。近年来又逐步地被华北、西北的内蒙、青海等省引进,其型式也在不断地发展。78年绥化出现了“渡槽引渡式跌水”,不但使工程量节省70％,而且为在陡峭的悬崖处采用筛网消能工创造了新的结构型式。绥化等地又在“一字跌水”和 Screen energy dissipater, has been used in small and medium-sized water conservancy projects in Heilongjiang, Jilin and other regions. In recent years, it has been gradually introduced into the provinces of North China, Northwest China, Qinghai and other provinces. Its type is also constantly developing. In 1978, an “extradraft aqueduct drop” occurred in Suihua, which not only saved 70% of the construction volume, but also created a new structure for using screen dissipators on steep cliffs. Suihua and other places again in the “word fell” and