A rigid board made of layers of fiberboard or paper bonded to 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。
Secondly, foamy plaster material was put into core box.
形成泡沫状石膏浆料后再灌入芯盒。
Secondly, foamy plaster material was put into core box.
形成泡沫状石膏浆料后再灌入芯盒。
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