froze by liquid nitrogen

 
  • 液氮冷凍

froze by liquid nitrogen的用法和樣例:

例句

  1. The brittleness of high-manganese steel under low temperature is discussed.A method of Iow-temperature cutting with liquid nitrogen freezing of the workpiece has been developed.
    論述了高錳鋼的低溫脆性,建立了用液氮冷凍工件的低溫切削方法。

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