welding neck flange
短語(yǔ)詞組
- Butt Welding Neck Flange 帶頸對(duì)焊法蘭
- raised face welding neck flange 凸面對(duì)焊法爛;凸面對(duì)焊法蘭
- Steel pipe welding neck flange 帶頸對(duì)焊鋼制管法蘭
- ring joint welding neck flange 環(huán)槽式密封面對(duì)焊法蘭;環(huán)槽式彌縫面臨焊法蘭;梯形槽式密封面對(duì)焊法蘭 返回 welding neck flange