escape staircase造句

例句與造句

1. A separate fire-escape staircase and garbage disposal lift are found at the rear side of the building.
2. Dry risers in occupied buildings have to be within a fire-resistant shaft, usually one of a building's fire escape staircase enclosures.
3. It's difficult to find escape staircase in a sentence. 用escape staircase造句挺難的