常見例句

雙語例句

• According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.
  上體左、右半殼直焊縫視產(chǎn)品結構不同，分別采用對接熔化焊和搭接縫焊工藝。
返回 butt seam weld