inspection door

例句：

1. 1. The security guard inspected the door before letting us in.
   保安在让我们进入之前检查了门。
2. 2. The engineers were inspecting the door for any damages during the construction.
   工程师们在建设期间检查门是否有损坏。
3. 3. The new door was installed to improve energy efficiency.
   新安装的门是为了提高能源效率。