Round joint of wind pipe的意思|示意
美 / /
英 / /
风管圆接头
Round joint of wind pipe的网络常见释义
圆形风管接头 ... 德国EBM直流风机 DC wind machine of German EBM 圆形风管接头 冰 Round joint of wind pipe 压差表 雠 Pressure difference manometer ...