circumferential seam
短語詞組
- circumferential welded seam 環(huán)向焊縫
- preparatory circumferential welding seam 預(yù)留環(huán)縫
- preformed circumferential welding seam 預(yù)留環(huán)縫
- quality of circumferential welding seam 環(huán)縫質(zhì)量
- circumferential seam joint 圓周接縫
- butt welding of circumferential seam 環(huán)縫對接焊;環(huán)縫對焊接 返回 circumferential seam