coefficient of fineness

例句：

1. 1. The engineer calculated the coefficient of fineness for the new machine.
   工程师计算了新机器的细度系数。
2. 2. The coefficient of fineness is a crucial factor in determining the quality of the material.
   细度系数是决定材料质量的关键因素。
3. 3.The manufacturer must ensure that the coefficient of fineness meets industry standards to meet customer expectations.
   制造商必须确保细度系数符合行业标准，以满足顾客期望。