normal pitch的用法和樣例：
例句
- These cells reconstruct the receptors and glands with their normal spacing.
這些細胞重建了具有正常間距的感受器和腺體。 - The film-cooling adiabatic effectiveness was investigated by the heat-transfer experimental method with different pitch between inlet holes of the slot film.
摘要通過傳熱試驗法對不同縫槽進氣孔間距的純氣膜冷卻效率進行研究。
