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核心提示:看过那么多电视剧的我们,相信对剧中很多,像第二张床一样的沙发非常的感兴趣。所以如何才能选择好,即使偶尔在沙发睡着,也不会腰酸背痛的起来的好沙发呢?别急,请往下看!选沙发时候,海绵很重要。高档沙发坐垫应使用密度在30公斤/立方米以上的高弹泡沫海绵,背垫应使用密度25公斤/立方米以上的高弹泡沫海绵。为提高坐卧舒适度,有些泡沫还在确保不降低密度的前提下,做了软处理,有些在坐垫内设置立式弹簧,使沙发具有更高
Core Tip: We have seen so many TV series, I believe a lot of drama, like the second bed like the sofa is very interested. So how to choose good, even if occasionally sleeping on the couch, will not backache good couch up? Do not worry, please look down! Select the sofa, the sponge is very important. High-grade sofa cushions should use high-density foam sponge with a density of more than 30 kg / m 3, and high density foam sponge with density of 25 kg / m 3 should be used for the back pad. In order to improve sitting comfort, some foams are soft-handled without any densification, and some have vertical springs in the cushion to make the sofa even taller