body pore
英
美
- 体孔
双语例句
- 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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