短语词组短语bevel -groove weld 斜角焊缝Flare -bevel-groove weld 斜喇叭坡口焊缝single bevel groove weld 单斜槽焊;单斜角槽焊double -bevel groove weld 双斜边坡口焊缝;[机]双斜坡口焊;双面斜坡口对接焊缝 返回 bevel groove weld