round elbow

溢水器铜弯头 - HOUSON的日志 - 网易博客... ... 包管弯头 female bend 圆弯头 round elbow 风口弯头 eyesight elbow ...

直角三角形_馆档网 ... "圆模,圆螺磨"," round die" "圆肘管"," round elbow" "圆端"," round end" ...

弯头 - yummy的日志 - 网易博客 ... right-hand bend tool 右削弯头刀 <主科技词汇> 纠错 round elbow 圆弯头 <主科技词汇> 纠错 ...