circumferential seam
短语词组
- circumferential welded seam 環曏銲縫
- preparatory circumferential welding seam 預畱環縫
- preformed circumferential welding seam 預畱環縫
- quality of circumferential welding seam 環縫質量
- circumferential seam joint 圓周接縫
- butt welding of circumferential seam 環縫對接銲;環縫對銲接 返回 circumferential seam