cascadesn.叶棚；瀑布名词cascade的复数形式.cascaden.瀑布；[电]串联v.瀑布似地落下；（将 ... ）连结；串联Cascaded crystals晶体级联Cascaded cavities级联腔体cascade operation级联工作Cascaded approach级联方法cascade synthesis链接法cascade migration级联偏移cascaded topology级联型结构cascades planning梯级规划cascade insulator级联绝缘子cascade condenser级联冷凝器,阶式冷凝器