view-finder tube

例句：

1. 1. The view-finder tube is a critical component of the camera.
   取景器管是相机的关键部件。
2. 2. The photographer carefully adjusted the view-finder tube to get the perfect shot.
   摄影师小心调整取景器管，得到了完美的拍摄效果。
3. 3. The engineer replaced the damaged view-finder tube with a new one.
   工程师用一个新的取景器管替换了损坏的管子。