grease spot photometer

例句：

1. 1. This grease spot photometer is used to measure the oil content in food samples.
   这个油脂斑点光度计用于测量食品样品中的油含量。
2. 2.The technician used the grease spot photometer to detect the presence of fats in the sample.
   技术人员使用油脂斑点光度计检测样本中脂肪的存在。
3. 3. The manufacturer claims that their grease spot photometer is more accurate than other brands.
   制造商声称他们的油脂斑点光度计比其他品牌更准确。