quartz plate holder

例句：

1. 1.The quartz plate holder is used to hold the quartz crystal in place during polishing.
   石英板夹具用于在抛光过程中固定石英晶体。
2. 2.The quartz plate holder was designed to be easy to use and maintain.
   石英板夹具设计为易于使用和维护。
3. 3.The quartz plate holder is an essential tool for scientists who work with high-quality quartz materials.
   石英板夹具是从事高质量石英材料工作的科学家必备的工具。