bottom joint
短语词组
- bottom articulated joint 底部鉸接縫
- bottom induced joint 誘導底縫
- upstream bottom -joint 上遊底縫
- Bottom Upset Joint 下耑外螺紋連接
- bottom chord joint 下弦接頭
- bottom -joint 誘導縫
- bottom tool joint 下方接頭
- bottom m joint 水平節理
- oblique grinding bottom joint 斜對接接頭 返回 bottom joint