长城防冻液 YF-2 -45℃ 浓缩型

评测依据

• review_count：9800
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:13:56","to":"2026-06-26 02:13:56"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下核心品牌，成立于1950年，是国内最大的润滑油及汽车养护品生产商之一。拥有国家级实验室和多项专利技术，产品覆盖从乘用车到重卡的全场景，以高性价比和稳定供应深受国内消费者信赖。","product_intro":"长城YF-2浓缩型防冻液 -45℃，采用乙二醇与复合有机酸盐配方，符合国标GB 29743-2013。浓缩液可按需稀释，提供优异的防冻、防沸、防锈、防垢性能。特别针对中国路况和气候条件优化，在北方严寒地区表现稳定，是国产防冻液中的标杆产品。","key_specs":["冰点：-45℃（浓缩）","沸点：>106℃（稀释后）","容量：2kg浓缩液","技术类型：复合有机酸盐型","适用标准：GB 29743-2013","更换周期：3年/15万公里"]}
• alt_products：[{"product_name":"长城防冻液 YF-2 -45℃ 浓缩型","brand":"长城润滑油","model":"Sinopec Great Wall YF-2 -45℃ Concentrate","price":49},{"product_name":"百适通防冻液 AF2100 -37℃ 浓缩型","brand":"百适通","model":"Prestone AF2100 -37℃ Concentrate","price":69},{"product_name":"博世防冻液 -45℃ 浓缩型","brand":"博世","model":"Bosch -45℃ OAT Concentrate","price":79}]
• kol_quotes：["\"长城YF-2是国产防冻液里最稳的选择，价格亲民，性能扎实。\"——懂车帝评测博主@车圈老炮","\"实测冰点-47℃，比标称还低，国货越来越靠谱。\"——抖音养车达人@东北修车王"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为性价比极高，价格仅为进口品牌的一半，但防冻效果不输大牌。北方车主反馈在-35℃环境下使用正常，无冻堵。部分用户提到包装桶设计较简单，但防漏性能良好。整体评价务实，适合预算有限或追求国产支持的车主。","source_count":0}},{"source":"objective","score":76.61151515151514,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":49,"wom_score":85.6}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":9800,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"长城YF-2是国产防冻液里最稳的选择，价格亲民，性能扎实。\"——懂车帝评测博主@车圈老炮","\"实测冰点-47℃，比标称还低，国货越来越靠谱。\"——抖音养车达人@东北修车王"]}}]
• method_version：v2
• search_visual：null