torque recorder

例句：

1. 1. The torque recorder was used to measure the torque of the gearbox.
   扭矩记录器用于测量齿轮箱的扭矩。
2. 2. The torque recorder was used to monitor the performance of the engine.
   扭矩记录器用于监测发动机的性能。
3. 3. The torque recorder showed that the gearbox was operating within its normal range.
   扭矩记录器显示齿轮箱在正常范围内运行。