vitrified pipe

例句：

1. 1. The vitrified pipe was installed in the new building.
   新建筑中安装了这种硬化管道。
2. 2. The vitrified pipe is resistant to corrosion and can last for decades.
   这种硬化管道具有抗腐蚀性，可以持续几十年。
3. 3.The vitrified pipe is used in water supply systems to prevent leaks.
   这种硬化管道用于供水系统中，以防止泄漏。