body pore

 
  • 体孔

body pore的用法和样例:

例句

  1. Frequent temperature fluctuations expose the valve to excessive stresses which cause surface cracks in the body bores of cast steel valves.
    频繁的温度波动使阀门承受着过度的压力,这种压力容易造成铸钢阀门阀体孔内部表面裂缝。
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