例句與造句

1. Paper faced gypsum board is mainly made of construction plaster calcined with natural gypsum or chemical by - product and protective paper , mixing with fiber , modified starch , coagulant agent , vesicant and water . which are mixed , formed , coagulated , cut , dryed and sliced into light construction material . they have advantages of light weight , fire resistance , soundproof , damp proof , heat insulation , easy to operate sawn , nailed or milled an disassemble . it s widely applied in industrial and civil constructions , especially widely used as interior wall , less loading wall , ceiling etc in high buildings
   紙面石膏是以建筑石膏利用天然石膏或化學(xué)副產(chǎn)品石膏煅燒制得和護(hù)面紙為主要原料，摻加適量纖維改性淀粉促凝劑發(fā)泡劑和水，經(jīng)混合成型凝固切斷烘干切邊等工序制成的輕質(zhì)建筑板材。
2. It's difficult to find light construction materials in a sentence. 用light construction materials造句挺難的