1.內架:俄羅斯進(jin)口落葉松實木內架,結構穩定(ding),使(shi)用壽命長; 2.海綿:羽絨填充(chong)背(bei)包,高密度切割棉座包,高回(hui)彈性(xing)能,久坐不變形(xing); 3.面(mian)料:皮面(mian)手感細膩,良(liang)好的韌性(xing)和(he)彈性(xing),抗摩擦系(xi)數高;