短語詞組短語single bevel groove weld 單斜槽焊;單斜角槽焊bevel groove weld 斜槽熔接;雙斜邊坡口焊縫;單斜角槽焊double -bevel butt weld K 形坡口對接焊縫open -single-bevel butt weld 單面坡口對接焊doubel -bevel weld 型對接焊道bevel -groove weld 斜角焊縫 返回 bevel weld