test fill

例句：

1. 1.The engineer conducted a thorough test fill on the new machine before it was put into use.
   工程师在机器投入使用前对其进行了彻底的测试和填充。
2. 2. The scientist performed a test fill to determine the effectiveness of the new drug.
   科学家进行了测试以确定新药的有效性。
3. 3.During the test fill, the team members carefully observed and recorded any potential issues with the equipment.
   在测试填充期间，团队成员仔细观察并记录了设备的潜在问题。