low melting glass

例句：

1. 1. This type of low melting glass is commonly used in the manufacture of windows and doors.
   这种低熔点玻璃常用于制造窗户和门。
2. 2. The new low melting glass technologyhas greatly improved energy efficiency.
   新的低熔点玻璃技术大大提高了能源效率。
3. 3. The lowmelting glass was carefully cut to fitthe mold perfectly.
   低熔点玻璃被小心地切割，以完美地适应模具。