单: singular number fate; destin ...u: U, u (pl. U's, u's ) 1 ...形: form; shape坡: slope口: mouth丁字: T-shaped接头: connect; join; joint单u形坡口对接接头: single u butt joint单j形坡口接头: single j joint双j形坡口t字接头: double j tee joint; double-j tee joint单边u形坡口角接头: single u corner joint; single-u corner joint双面u形坡口接头: double u joint; double-u jointu形坡口: u groove; u-groove单面u形坡口: single u groove双u形坡口: double-u groove双面u形坡口: double u groove形坡口接头: double j joint; single j butt joint丁字接头: t joint; t-joint; tee joint双u形坡口焊: double u-weld双面u形坡口焊: open double u groove weld; open-double-u groove weldj形坡口接头: single j butt joint丁字接头焊缝: t weld留缝丁字接头: open tee joint; open-tee joint平头丁字接头: plain tee joint; square tee joint斜角丁字接头: inclined tee joint
