A rigid board made of layers of fiberboard or paper bondedto a gypsum plaster core, used instead of plaster or wood panels in construction to form walls.

• 石膏灰泥板,灰胶纸柏板由石膏灰泥作芯板结合几层纤维板或纸浆板制成的硬板,在建筑中用于代替灰泥或木板来建造墙壁。