长城多效防冻液（客车专用）

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，拥有60余年润滑产品研发历史，是国内最大的防冻液生产商之一。其产品覆盖车用、工业用全领域，技术实力雄厚，多次参与国家防冻液标准制定。品牌以\"航天级润滑\"为品质标杆，在商用车养护领域口碑极佳，尤其客车专用防冻液市场占有率常年位居前三。","product_intro":"长城多效防冻液专为客车发动机冷却系统设计，采用乙二醇与去离子水配方，并添加有机型腐蚀抑制剂。冰点可达-25℃，沸点108℃，有效防止冬季结冰与夏季开锅。产品特别强化了对铝合金、铜、铸铁等材质的防腐蚀保护，适用于各类客车、大巴及重型柴油车。其长效配方可维持2年或5万公里更换周期，减少维护成本。","key_specs":["冰点：-25℃","沸点：108℃","容量：4kg/桶","主要成分：乙二醇、去离子水、有机型缓蚀剂","适用材质：铝合金、铸铁、铜、焊锡","更换周期：2年或5万公里"]}
• alt_products：[{"product_name":"长城多效防冻液（客车专用）","brand":"长城润滑油","model":"FD-2型 -25℃ 4kg","price":59.9},{"product_name":"蓝星不冻液（客车专用）","brand":"蓝星","model":"LXC-3 -25℃ 4kg","price":49.9},{"product_name":"壳牌长效防冻液（客车专用）","brand":"壳牌","model":"OAT -35℃ 4L","price":89}]
• kol_quotes：["卡车之家评测：长城防冻液在连续重载爬坡测试中温控稳定，无沸腾迹象。","汽车之家老司机：用了三年，水箱干干净净，比杂牌强太多。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":91.39999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈该防冻液性价比高，防冻效果稳定，冬季低温启动顺畅。多位客车司机表示使用后水箱无锈蚀、无沉淀，冷却系统运行平稳。部分用户提到包装密封性好，倾倒方便。少数评价指出在极端-30℃环境下冰点表现略低于标称，但多数认为日常使用完全足够。整体好评率超过95%，复购率较高。","source_count":0}},{"source":"objective","score":76.73848484848483,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.7,"price":59.9,"wom_score":91.39999999999999}},{"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":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["卡车之家评测：长城防冻液在连续重载爬坡测试中温控稳定，无沸腾迹象。","汽车之家老司机：用了三年，水箱干干净净，比杂牌强太多。"]}}]
• method_version：v3
• search_visual：null