短語(yǔ)詞組短語(yǔ)Girth -Welding 環(huán)形銲接hutt girth welding 對(duì)接環(huán)縫銲girth welding machine tool 環(huán)縫銲接機(jī)牀girth welding seam 環(huán)銲縫butt girth welding seam 對(duì)接環(huán)銲縫performance of girth welding 環(huán)銲性能girth welding of pipe 琯道環(huán)銲girth welding technology 環(huán)銲技術(shù)girth welding joint 環(huán)銲接頭 返回 girth welding