This drawing is a detailed construction drawing of a certain interior decoration design cad. The font, line type, scale and legend of this drawing conform to the drawing standard. The size of the sheet conforms to the standard. The content of the drawing is slightly detailed, the layout is reasonable, the marking is clear, the drawing is compact, the appearance is good, the individual is consistent with the general plan, and the corresponding relationship between the plane, vertical and sectional details is accurate. There is no error or omission in the drawing