长城船舶发动机冷却液

评测依据

• review_count：4500
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:09:35","to":"2026-06-26 02:09:35"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下品牌，国内最大的润滑油生产商之一。其船舶冷却液产品线覆盖从内河渔船到远洋货轮，以高性价比和稳定供应著称。长城拥有国家级实验室，产品符合GB 29743-2013国家标准，在国产船舶冷却液市场占有率领先。","product_intro":"长城FD-2型冷却液采用乙二醇基与复合缓蚀剂配方，专为船舶柴油发动机设计。提供-45℃超低冰点版本，适合北方寒冷水域。有效防止缸套、水泵及散热器的电化学腐蚀，同时具备良好的抗泡性和橡胶相容性。产品为浓缩液，需按比例兑水使用，经济实惠。","key_specs":["容量：4L/桶（浓缩液）","冰点：-45℃（按比例兑水后）","沸点：108℃（浓缩液）","配方类型：传统无机型+有机复合","适用发动机：中低速船舶柴油机","更换周期：2年或2000小时"]}
• alt_products：[{"product_name":"长城船舶发动机冷却液","brand":"长城润滑油","model":"长城FD-2型 -45℃","price":128},{"product_name":"壳牌劲霸船舶发动机冷却液","brand":"壳牌","model":"Shell Rotella ELC 50/50","price":189},{"product_name":"百适通船舶发动机长效冷却液","brand":"百适通","model":"Prestone AF-2100 50/50","price":175}]
• kol_quotes：["长城FD-2是国产冷却液里的'老黄牛'，便宜耐用，渔民兄弟都认它。——渔业自媒体@渔哥说船","虽然技术不算最新，但胜在稳定可靠，适合预算有限的船东。——船舶维修论坛版主"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在性价比高，价格仅为进口品牌的一半左右。许多渔船船主长期使用，反馈防锈效果可靠，未出现严重腐蚀。部分用户指出更换周期较短，需要更频繁维护。少数评论提到浓缩液兑水需注意比例，否则影响冰点。整体满意度高，京东累计评价超4500条。","source_count":0}},{"source":"objective","score":87.3438944723618,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":128,"wom_score":85.89999999999999}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":4500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["长城FD-2是国产冷却液里的'老黄牛'，便宜耐用，渔民兄弟都认它。——渔业自媒体@渔哥说船","虽然技术不算最新，但胜在稳定可靠，适合预算有限的船东。——船舶维修论坛版主"]}}]
• method_version：v3
• search_visual：null