常見例句The Application of Non-uniform Bellmouth in Prestressed Concrete Flat-beam 變截面喇叭口在預(yù)應(yīng)力混凝土扁梁中的應(yīng)用bellmouth orifice 喇叭孔telescopic bellmouth 套筒式漏斗口square bellmouth transition 方喇叭形漸變段bellmouth area 喇叭口區(qū)bellmouth inlet 喇叭形人口 返回 bellmouth