Plaster board surface, concrete walls, roof, the cover of mortar.

纸面石膏板面层, 混凝土墙面 、 顶板 、 砂浆封面层.

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The technology and the formula for manufacturing paper - faced plaster board from phosphogypsum were studied.

研究了以磷石膏代替天然石膏生产纸面石膏板的工艺和配方.

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The main products are bearings, batteries, plaster board, Jiegan field, small home machines.

主要产品为轴承 、 蓄电池 、 纸面石膏板机 、 桔杆还田机 、 小型家机具.

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All ceilings will require double thickness plaster board to be used in the construction.

建筑物的所有天花板需要两层厚的塑料板.

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