circular orifice
词语： circular orifice
解释： 圆孔
词典： 消防专业英汉词典
circular orifice 相关解释
circular orifice 〔名词〕圆隔片,圆隔板
圆孔 foramen rotundum
圆孔 annular opening;rounded orifice
圆孔 circular orifice
圆孔 annular opening;circular orifice;round orifice
圆孔 foramen rotundum
圆孔 circular hole
圆孔 circular aperture;round hole;round orifice