grease testing

例句：

1. 1. The company conducted a grease testing to ensure the equipment was properly lubricated.
   公司进行了一次油脂测试，以确保设备得到适当的润滑。
2. 2. During the grease testing, the technician found that the oil was not fully distributing.
   在油脂测试期间，技术人员发现油并未完全分布均匀。
3. 3. The grease testing revealed that there were some areas where the lubrication was insufficient.
   油脂测试显示有些地方的润滑不足。