Traditional Culture Encyclopedia - Photography and portraiture - The number of sheets arranged on the ceiling is

The number of sheets arranged on the ceiling is

PM-04 .

According to the Drawing Standard of Computer Aided Design Construction Drawings issued by the state, the original scheme number is YS-0 1 and the ceiling scheme is PM-04.

The ceiling plan, that is, the ceiling, is a building component, which is basically above the shielding beam in the building. Also known as the ceiling.