calibrating arm

例句：

1. 1. The calibrating arm on the machine is used to adjust the settings.
   机器上的校准臂用于调整设置。
2. 2.The engineer adjusted the calibrating arm to ensure accurate measurements.
   工程师调整校准臂以确保准确的测量。
3. 3. The technician carefully calibrated the arm to ensure precision in the assembly process.
   技术人员仔细校准了手臂，以确保组装过程中的准确性。