短語(yǔ)詞組短語(yǔ)long welding neck 對(duì)焊長(zhǎng)頸;長(zhǎng)高頸法蘭Butt Welding Neck Flange 帶頸對(duì)焊法蘭welding neck flanges 對(duì)焊法蘭;預(yù)焊法蘭welding neck collar 對(duì)焊環(huán)welding neck colla 對(duì)焊環(huán)welding neck flange [機(jī)]對(duì)焊法蘭;高頸法蘭;帶頸對(duì)焊法蘭;長(zhǎng)頸對(duì)焊法蘭WN -welding neck 帶頸對(duì)焊法蘭Steel pipe welding neck flanges 對(duì)焊鋼制管法蘭raised face welding neck flange 凸面對(duì)焊法爛;凸面對(duì)焊法蘭 返回 welding neck