quartz elastic tube

例句：

1. 1.The quartz elastic tube is used in the production of optical fibers.
   石英弹性管用于生产光纤。
2. 2. The quartz elastic tube is a type of glass that is transparent and has good mechanical properties.
   石英弹性管是一种透明的玻璃，具有良好的机械性能。
3. 3.The quartz elastic tube is often used as a protective layer for electronic devices.
   石英弹性管常被用作电子设备的保护层。