fused quartz glass

例句：

1. 1.This type of glass is commonly used in windows and doors.
   这种玻璃通常用于窗户和门。
2. 2.The fused quartz crystals have a high refractive index, making them ideal for optical applications.
   熔融石英晶体具有高折射指数，因此非常适合光学应用。
3. 3. The fused quartz window is durable and resistant to scratches and impacts.
   熔融石英窗耐用且抗刮擦和冲击。