【填空题】
A、δ/H>0.67薄壁堰 B、0.67<δ/H<10.0宽顶堰 C、0.67<δ/H<2.5实用断面堰 D、δ/H>2.5薄壁堰
A、=COUNTIF($H67:$H72,"200") B、=COUNTIF(H67:H72,"200") C、=COUNTIF(H67:H72,"=200") D、=COUNT($H$2:$H$7,"=200") E、=COUNT(H67:H72,"200")