片语
circular seam环缝
circumferential weld imperfection环向焊缝缺陷
circumferential seam周缝;环缝
assembled circumferential weld组装环焊缝
body circumferential weld筒体环焊缝
girth weld & circumferential环形焊缝;周围电焊
circumferential weld for pipeline管道环缝
circumferential weld detail周边焊缝
circumferential weld geometrical imperfection环向焊缝几何缺陷
flange circumferential weld法兰环缝