body pore

 
  • 體孔

body pore的用法和樣例:

例句

  1. Frequent temperature fluctuations expose the valve to excessive stresses which cause surface cracks in the body bores of cast steel valves.
    頻繁的溫度波動使閥門承受著過度的壓力,這種壓力容易造成鑄鋼閥門閥體孔內部表面裂縫。
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