intros：{"brand_intro":"双立人（Zwilling J.A. Henckels）始于1731年德国索林根，是全球顶级厨具品牌之一。以优质不锈钢锻造和精密刃具工艺闻名，产品涵盖刀具、锅具、厨房小工具等。品牌坚持\"德国制造\"品质，拥有超过300项专利技术，其刀具硬度、锋利度及耐用性备受专业厨师推崇，是高端厨房用具的代名词。","product_intro":"双立人Twin Pro三槽磨刀器专为家庭厨房设计，采用精密金刚石和陶瓷磨轮，三个槽位分别对应粗磨、细磨和抛光。适用于双立人及多数品牌的不锈钢刀具，操作简单，只需将刀片插入对应槽位轻拉数次即可恢复锋利。人体工学防滑底座确保使用安全，体积小巧便于收纳。","key_specs":["磨轮材质：金刚石/陶瓷","槽位数量：3（粗磨/细磨/抛光）","适用刀具：不锈钢直刃刀具","磨刀角度：预设20度","底座防滑：橡胶防滑垫","尺寸：约20×5×5cm"]}
alt_products：[{"product_name":"双立人Twin Pro三槽磨刀器","brand":"双立人","model":"TWIN PRO 3-Stage","price":299}]
scoring_breakdown：[{"source":"word_of_mouth","score":94.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其操作简单、磨刀效果显著，尤其对家庭主妇和烹饪爱好者友好。多数评价提到\"几分钟就能让钝刀恢复锋利\"，且不伤刀刃。部分用户指出对高硬度日式刀（如VG10）效果一般，更适合德系刀具。少数反馈磨轮寿命约1-2年需更换，但整体性价比高，京东好评率98%。","source_count":0}},{"source":"objective","score":94,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.7,"review_count":28500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.45,"confidence":1,"details":{"rating_avg":4.7,"review_count":28500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["美食博主@厨房老司机：双立人这款磨刀器是懒人救星，比磨刀石省力十倍。","刀具测评师@刀哥说刀：20度定角设计对德系刀非常友好，适合日常维护。"]}}]