constricting nozzle

焊接专业常用词汇中英文对照表 - 豆丁网 ... 压焊 pressure welding 压缩喷嘴 constricting nozzle 延迟裂纹 delay crack ...

... concentric nozzle 环列[同心圆]喷嘴 constricting nozzle 【冶】收缩嘴 contracting-expanding nozzle 拉瓦尔喷管, 缩放喷嘴 ...

机械专业... ... constricted section 收缩段 constricting nozzle 收缩喷嘴 constriction coefficient 收缩系数，压缩系数，收缩率 ...