graded-index glass fiber

例句：

1. 1. The new product is made from graded-index glass fiber, which is lightweight and durable.
   这款新产品是由分级索引玻璃纤维制成的，既轻便又耐用。
2. 2.The graded-index glass fiber is used in the construction of high-rise buildings to improve their strength and durability.
   分级索引玻璃纤维用于高层建筑的建设中，以增强其强度和耐久性。
3. 3.The graded-index glass fiber is also used in the production of automotive parts, such as brake pads and engine components, due to its excellent thermal conductivity and mechanical properties.
   由于其优异的热导率和机械性能，分级索引玻璃纤维也被用于汽车部件的生产，如刹车片和发动机组件。