product layer diffusion的用法和樣例：
例句
- The reaction rate was controlled by product layer diffusion, except in the initial stage.
除了初始階段外，反應速率是由產物層擴散所控制。 - The variation of product layer diffusivity with these factors was explained by its dependence on the concentrations of defects in CaO and CaSO4 crystals.
產物層擴散係數的變化可以其受氧化鈣及硫酸鈣結晶缺陷的濃度的影響來解釋。
