roughnessmeter

例句：

1. 1. The engineer used a roughnessmeter to measure the surface roughness of the machined parts.
   工程师使用粗糙度计来测量加工零件的表面粗糙度。
2. 2.The roughnessmeter was used to determine the quality of the finished product.
   粗糙度计被用来确定成品的质量。
3. 3. The manufacturer claims that their new model has a better roughnessmeter than its predecessors.
   制造商声称他们的新款模型的粗糙度计比前代产品更好。