single foramen

 
  • 單孔

single foramen的用法和樣例:

例句

  1. Weld identification single hole punch.
    鑒別焊縫的單孔沖壓機。
  2. It was a steel bridge of a single span and there was a sentry box at each end.
    那是一座單孔鐵橋,兩端各有一個(gè)崗亭。
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