refill check ball

例句：

1. 1. The engineer refilled the tank with fresh fuel before starting the engine.
   工程师在启动发动机之前，用新鲜燃料重新填充了油箱。
2. 2.Before the game, the team rechecked their equipment to ensure everything was in order.
   比赛前，团队重新检查了他们的设备，确保一切准备就绪。
3. 3. After the inspection, the technician recalibrated the machine for better accuracy.
   检查后，技术人员为机器重新校准，以获得更好的精度。