长城润滑油 工程机械专用冷却液

评测依据

• review_count：3850
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:09:32","to":"2026-06-26 02:09:32"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下核心品牌，成立于1950年，是国内最大的高端润滑油生产基地之一。拥有国家级润滑技术研发中心，产品覆盖车用油、工业油、工程机械用油等领域，以军工品质和严格品控著称，连续多年获中国润滑油行业十强称号。","product_intro":"本产品专为工程机械重负荷发动机设计，采用乙二醇-水基配方，具备优异的防冻、防沸、防腐蚀、防锈性能。适用于挖掘机、装载机、推土机等大型设备，可在-35℃低温环境下保持流动性，有效延长冷却系统寿命，减少水垢生成，符合国标GB 29743-2013要求。","key_specs":["冰点：-35℃","沸点：108℃","主要成分：乙二醇、去离子水、复合添加剂","适用对象：工程机械柴油发动机","容量：18L/桶","保质期：3年"]}
• alt_products：[{"product_name":"长城润滑油 工程机械专用冷却液","brand":"长城润滑油","model":"FD-2型 -35℃","price":128},{"product_name":"壳牌 工程机械重负荷冷却液","brand":"壳牌","model":"Shell Rotella ELC NF -40℃","price":245},{"product_name":"美孚 工程机械专用冷却液","brand":"美孚","model":"Mobil Delvac ELC -45℃","price":268}]
• kol_quotes：["@机械维修老张：长城这款冷却液我用在卡特320上三年了，水箱干干净净，冬天一把着车。","@工程机械达人：国产冷却液里长城算标杆，-35℃实测不虚标。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈该冷却液防冻效果出色，在北方严寒环境下启动顺畅，无结冰现象。多位挖掘机机主表示使用后水箱无锈蚀、无沉淀，水泵寿命明显延长。部分用户提到价格适中，性价比高，但建议大桶包装增加提手设计。少数评价指出更换周期需严格按说明书执行，混用其他品牌可能降低性能。","source_count":2}},{"source":"objective","score":89.1638944723618,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.7,"price":128,"wom_score":87.1}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":3850,"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":["@机械维修老张：长城这款冷却液我用在卡特320上三年了，水箱干干净净，冬天一把着车。","@工程机械达人：国产冷却液里长城算标杆，-35℃实测不虚标。"]}}]
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