1. The engineers used a profilometer to analyze the surface roughness of the metal component.
(工程师们使用了一个轮廓仪来分析金属零件的表面粗糙度。)
2. A profilometer is commonly used in industries such as automotive, aerospace, and semiconductor manufacturing.
(轮廓仪在汽车、航空航天和半导体制造等行业中常被使用。)