长城紫色冷却液（长效防冻液）

评测依据

• review_count：15200
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","苏宁易购"]
• time_range：{"from":"2026-06-26 02:09:33","to":"2026-06-26 02:09:33"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下品牌，成立于1950年，是中国最大的润滑油和冷却液生产商之一。长城拥有国家级实验室和多项专利技术，产品广泛应用于国产及合资车型。其紫色冷却液以高性价比和稳定性能著称，在自主品牌车主中口碑极佳，是国货冷却液的代表。","product_intro":"长城紫色冷却液采用OAT有机酸技术，冰点低至-45℃，沸点高达129℃，适合极端气候条件。产品添加了多种金属缓蚀剂，对铝、铜、铸铁等材质提供全面保护。紫色液体便于观察，兼容市面主流冷却液颜色（混合前建议冲洗），适用于轿车、SUV及轻型卡车。","key_specs":["冰点：-45℃","沸点：129℃","配方类型：OAT","容量：4L","适用标准：GB 29743-2013","保质期：3年"]}
• alt_products：[{"product_name":"长城紫色冷却液（长效防冻液）","brand":"长城润滑油","model":"SINOPEC 45-60","price":59},{"product_name":"博世紫色冷却液（长效型）","brand":"博世","model":"BOSCH 40-60","price":89},{"product_name":"壳牌紫色冷却液（全能型）","brand":"壳牌","model":"Shell Zone 50/50","price":79}]
• kol_quotes：["长城这款冷却液是国产车主的标配，价格只有进口的一半，效果一样好。","实测在漠河-40℃环境下依然流动顺畅，国货靠谱。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":86.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为长城紫色冷却液性价比极高，价格亲民但性能不输进口品牌。北方车主尤其称赞其-45℃冰点在极寒地区表现可靠，未出现冻裂水箱情况。部分用户反馈其颜色持久，使用一年后仍保持鲜艳。少数评论提到包装桶设计较简单，但内容物质量稳定。整体好评率约93%，是国货冷却液中的销量冠军。","source_count":3}},{"source":"objective","score":73.89621212121212,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":59,"wom_score":86.5}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":15200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["长城这款冷却液是国产车主的标配，价格只有进口的一半，效果一样好。","实测在漠河-40℃环境下依然流动顺畅，国货靠谱。"]}}]
• method_version：v2
• search_visual：null