短語詞組短語circumferential weld for pipeline 管道環(huán)縫flange circumferential weld 法蘭環(huán)縫assembled circumferential weld 組裝環(huán)焊縫circumferential weld geometrical imperfection 環(huán)向焊縫幾何缺陷body circumferential weld 筒體環(huán)焊縫circumferential weld imperfection 環(huán)向焊縫缺陷circumferential weld detail 周邊焊縫girth weld & circumferential 環(huán)形焊縫 返回 circumferential weld