door track bracket

例句：

1. 1. The door trackbracket is a crucialcomponent of the door mechanism.
   门轨道支架是门机制的关键组成部分。
2. 2. The doortrack bracket was designed to improvethe stability of the door.
   门轨道支架被设计来提高门的稳定性。
3. 3. The doortrack bracket needs to be installedcorrectly to ensure smooth operation of the door.
   门轨道支架需要正确安装以确保门的顺畅运行。