bellmouth
常见例句
- The Application of Non-uniform Bellmouth in Prestressed Concrete Flat-beam
變截麪喇叭口在預應力混凝土扁梁中的應用 - bellmouth orifice
喇叭孔 - telescopic bellmouth
套筒式漏鬭口 - square bellmouth transition
方喇叭形漸變段 - bellmouth area
喇叭口區 - bellmouth inlet
喇叭形人口 返回 bellmouth