长城润滑油 多效防冻液 紫色 -35℃

评测依据

• review_count：12500
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 02:21:29","to":"2026-06-26 02:21:29"}
• 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。拥有国家级实验室和多项防冻液配方专利，产品覆盖乘用车、商用车及工业领域。其防冻液以高性价比和稳定的低温性能著称，长期占据国产防冻液销量前列，是众多自主品牌车企的原厂配套供应商。","product_intro":"长城多效防冻液紫色-35℃采用有机羧酸盐技术（OAT），不含亚硝酸盐、胺盐和磷酸盐，环保且长效。紫色液体便于检视液位和泄漏。具备优异的防冻、防沸、防腐蚀和防锈性能，适用于铝制及铸铁发动机。推荐更换周期为2年或4万公里，兼容多数常见冷却液颜色（不建议混用不同配方）。","key_specs":{"冰点":"-35℃","沸点":"108℃","容量":"4kg（约3.7L）","主要成分":"乙二醇+有机羧酸盐","适用材质":"铝、铜、铸铁、橡胶","保质期":"3年"}}
• alt_products：[{"product_name":"长城润滑油 多效防冻液 紫色 -35℃","brand":"长城润滑油","model":"FD-2B","price":59},{"product_name":"博世 发动机冷却液 紫色 -45℃","brand":"博世","model":"Bosch 0986AF1001","price":89}]
• kol_quotes：["'长城这款紫色防冻液，-35℃实测完全没问题，百元内闭眼入。'——汽车之家编辑","'国产防冻液里最稳的选择，没有之一。'——懂车帝评测"]
• scoring_breakdown：[{"source":"word_of_mouth","score":89.19999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍评价性价比极高，百元内首选。低温启动顺畅，无结冰现象；防腐蚀效果明显，使用一年后水箱内部依然光亮。部分用户反馈紫色液体在加注时容易染色，需小心操作。少数老车用户反映与旧液混合后出现絮状物，建议彻底清洗水箱后再更换。整体好评率超过98%，复购率较高。","source_count":3}},{"source":"objective","score":76.94121212121212,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":59,"wom_score":89.19999999999999}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":12500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["'长城这款紫色防冻液，-35℃实测完全没问题，百元内闭眼入。'——汽车之家编辑","'国产防冻液里最稳的选择，没有之一。'——懂车帝评测"]}}]
• method_version：v2
• search_visual：null