slide holder disc

例句：

1. 1.The slide holder disc is used to hold the slide in place during the experiment.
   滑块支架盘用于实验中固定滑块。
2. 2.The slide holder disc was designed to make it easier for students to understand the concept of gravity.
   滑块支架盘的设计是为了让学生更容易理解重力的概念。
3. 3. The slide holder disc was removed from the machine before starting the experiment.
   在开始实验前，将滑块支架盘从机器上拆下。