1.
floor surface
The surface of a floor. Used in construction, architecture, and interior design when discussing flooring materials, finishes, or specifications.
床面 is a technical compound of 床 (floor) + 面 (surface). Used in construction, architecture, and facility management contexts.
Common collocations
VS. 床:
In everyday conversation, 床 is the normal word for "floor." 床面 is used when specifically discussing the surface properties, materials, or measurements of flooring.
Register
Technical/written. Common in building specifications, safety regulations, and cleaning industry documentation.