基本解释n.承口(锥形孔;钟形套管;测流喷管)同根派生 bellmouth相关词英汉例句The Application of Non-uniform Bellmouth in Prestressed Concrete Flat-beam 变截面喇叭口在预应力混凝土扁梁中的应用bellmouth orifice 喇叭孔telescopic bellmouth 套筒式漏斗口square bellmouth transition 方喇叭形渐变段bellmouth area 喇叭口区bellmouth更多例句