长城润滑油 多效防冻液 蓝色 -25℃

评测依据

• review_count：28500
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:21:26","to":"2026-06-26 02:21:26"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下核心品牌，成立于1950年代，是国内最大的润滑油及防冻液生产商之一。品牌以航天级润滑技术著称，拥有国家级实验室和多项专利，产品覆盖汽车、工业、船舶等领域。其防冻液系列凭借稳定的品质和亲民价格，长期占据中国市场销量前列，深受车主信赖。","product_intro":"长城多效防冻液采用乙二醇与去离子水配方，冰点低至-25℃，沸点达108℃，有效防止冬季结冰和夏季开锅。添加有机型腐蚀抑制剂，对铝、铜、铸铁等金属提供长效保护，兼容多种车型冷却系统。蓝色液体便于检视液位，适用于轿车、SUV及轻型卡车。","key_specs":["冰点：-25℃","沸点：108℃","主要成分：乙二醇、去离子水","适用材质：铝、铜、铸铁、黄铜","容量：4L","保质期：3年"]}
• alt_products：[{"product_name":"长城润滑油 多效防冻液 蓝色 -25℃","brand":"长城润滑油","model":"FD-2B","price":49.9},{"product_name":"统一 经典系列 防冻液 蓝色 -25℃","brand":"统一","model":"统一经典","price":39.9},{"product_name":"博世 通用型防冻液 蓝色 -25℃","brand":"博世","model":"BOSCH 0986AF1001","price":69}]
• kol_quotes：["汽车之家评测员：'长城防冻液是入门首选，百元内无对手。'","抖音养车博主：'老车用这个，水箱不生锈。'"]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其性价比高，防冻效果稳定，尤其适合北方冬季使用。多数评价提到更换后水温正常，无腐蚀现象。部分用户反馈包装密封性好，倾倒方便。少数评论指出在极寒地区（如-30℃以下）建议选择更低冰点型号。整体口碑扎实，复购率高。","source_count":0}},{"source":"objective","score":78.26378787878787,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.7,"price":49.9,"wom_score":87.1}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":28500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["汽车之家评测员：'长城防冻液是入门首选，百元内无对手。'","抖音养车博主：'老车用这个，水箱不生锈。'"]}}]
• method_version：v2
• search_visual：null