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課桌椅:升降學(xué)生課桌(簡(jiǎn)稱升降課桌),就是可以調(diào)節(jié)課桌高度的課桌。生產(chǎn)的升降學(xué)生課桌是設(shè)計(jì)通過(guò)桌腿的相關(guān)固件在滑軸之間上下滑動(dòng),并由螺絲固定,起到調(diào)節(jié)課桌高度作用,來(lái)滿足學(xué)校及學(xué)生要求。
中國(guó)學(xué)生課桌椅發(fā)展階段 課桌椅:我國(guó)學(xué)生的課桌椅大體沿襲著西方學(xué)校課桌椅的發(fā)展軌跡。從構(gòu)成的材質(zhì)和發(fā)展歷史看,兩者并無(wú)明顯不同,都經(jīng)歷了雜木制造(第 一代)——鋼木合一(第二代) ——硬塑替代階段;從外形看,由單一的形態(tài)逐漸過(guò)渡到升降式、連式等更符合人體工學(xué)的多種形態(tài)。而且,隨著青少年身高、體重的發(fā)展變化。