moderate promotion: stainless steel spring + enviromental protection cotton (20cm) moderate(促销款适中：精钢弹簧＋环保棉（20cm）适中) promotional style soft: stainless steel spring + memory foam (22cm) soft(促销款偏软：精钢弹簧＋记忆棉（22cm）偏软) spine protection is too hard: encrypted stainless steel spring + 3e coconut palm (22cm) is too hard(护脊偏硬：加密精钢弹簧＋3E椰棕（22cm）偏硬) luxury models: encryption spring + 3e brown + latex (23cm) soft and hard dual-use(豪华款：加密弹簧＋3E棕＋乳胶（23cm）软硬两用) supreme model: independent spring + 3e brown + latex 23cm (soft and hard dual-use)(至尊款：独立弹簧＋3E棕＋乳胶23cm（软硬两用）) mute type: independent bagged spring + enviromental protection cotton 20cm moderate(静音款：独立袋装弹簧＋环保棉20cm适中) short spine protection: independent spring + 3e brown (15cm) hard(矮护脊款：独立弹簧＋3E棕（15cm）偏硬) hotel super soft: independent bagged spring + memory foam +3 points latex (24cm) soft and comfortable(酒店超软款：独立袋装弹簧＋记忆棉＋3分乳胶（24cm）偏软舒适) compressed scroll pack (soft and comfortable) 21cm(压缩卷包款（偏软舒适）21cm)

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