straight bit

 
       
  • 一字形鑽頭,鑽

straight bit的用法和樣例:

例句

  1. He dove straight into the new book and read all night.
    他一頭鑽進那本新書里,讀了個通宵。
  2. In drilling an oil well, mud is used to lubricate the cutting bit.
    鑽油井時,泥漿被用來潤滑鑽頭。
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