shutter axis

例句：

1. 1. The photographer carefully adjusted the shutter axis to get the perfect shot.
   这位摄影师小心翼翼地调整快门轴，以获得完美的照片。
2. 2. The camera's shutter axis is responsible for controlling the exposure of light.
   相机的快门轴负责控制光线的曝光。
3. 3. During the darkroom process, the technician had to check the shutter axis to ensure everything was in order.
   在暗室过程中，技术人员必须检查快门轴以确保一切井然有序。