vidicon focus coil

例句：

1. 1. The camera usesa vidicon focus coil to capture high-resolution images.
   相机使用一个视频聚焦线圈来捕捉高分辨率图像。
2. 2.The engineer replaced the vidicon focus coil with a new one.
   工程师用一个新的视频聚焦线圈替换了旧的。
3. 3.The vidicon focus coil is crucial for maintaining the quality of the image.
   视频聚焦线圈对于保持图像质量至关重要。