water-potash glass

例句：

1. 1. The water-potash glass is used to make windows and doors.
   水玻璃用于制作窗户和门。
2. 2. The water-potash glass was used as a protective coating for the steel.
   水玻璃用作钢铁的保护涂层。
3. 3. The water-potash glass was used to clean the lenses of microscopes.
   水玻璃被用来清洁显微镜的透镜。