常見例句

雙語例句

• The UN250 butt-welding machine adopts manual flash prewarming, hydraulic pressure upset mode, is suitable to weld large diameter and section weldment.
  UN250對焊機采用手動閃光預(yù)熱、液壓頂鍛的方式，適合焊接大直徑大截面的焊件。
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