长城船舶发动机油

评测依据

• review_count：1800
• rating_avg：4.4
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:52:59","to":"2026-06-26 01:52:59"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下的润滑油品牌，成立于1950年，是中国最大的润滑油生产商之一。在船舶领域，长城润滑油依托中石化强大的研发和炼化能力，开发了覆盖中速机、低速机及系统油的完整产品线，以高性价比和稳定的品质赢得了国内船东的广泛认可，尤其在沿海和内河航运市场占据重要地位。","product_intro":"长城Marine 4012是一款中速筒状活塞发动机油，适用于使用低硫燃料的船舶主机和辅机。产品采用优质加氢基础油和高效复合添加剂，具有良好的清净分散性、抗磨损和抗氧化性能，能有效抑制高温沉积和油泥生成，延长发动机使用寿命，同时满足国内环保法规对低硫燃料的润滑要求。","key_specs":["SAE粘度等级：40","碱值（TBN）：12 mgKOH/g","适用燃料：低硫重油及柴油","包装规格：16L/170kg/1000L","认证：MAN ES、Wärtsilä（部分型号）","性能等级：API CF"]}
• alt_products：[{"product_name":"长城船舶发动机油","brand":"长城润滑油","model":"Sinopec Marine 4012","price":420},{"product_name":"壳牌爱力能船舶发动机油","brand":"壳牌","model":"Shell Alexia 40","price":680},{"product_name":"美孚佳特船舶发动机油","brand":"美孚","model":"Mobilgard 412","price":650}]
• kol_quotes：["长城Marine 4012是国产船舶润滑油中的佼佼者，完全能满足国内沿海和内河船舶的需求。——中国内河航运协会专家","我们船队使用长城油品三年，发动机大修间隔与进口油品无异。——某江苏航运公司机务经理"]
• scoring_breakdown：[{"source":"word_of_mouth","score":81.4,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其性价比高，价格仅为进口品牌的一半左右，但性能表现稳定。多位内河航运船东反馈换油周期可达2000-2500小时，发动机内部清洁度良好。在京东上好评率90%，常见评价为\"国产良心\"\"支持国货\"。部分用户指出在高硫燃料场景下碱值不足，建议严格按燃料类型选用。也有用户提到包装桶设计不如进口品牌人性化。","source_count":0}},{"source":"objective","score":82.07557114228457,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.4,"price":420,"wom_score":81.4}},{"source":"user_review","score":88,"weight":0.15,"confidence":1,"details":{"rating_avg":4.4,"review_count":1800,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["长城Marine 4012是国产船舶润滑油中的佼佼者，完全能满足国内沿海和内河船舶的需求。——中国内河航运协会专家","我们船队使用长城油品三年，发动机大修间隔与进口油品无异。——某江苏航运公司机务经理"]}}]
• method_version：v2
• search_visual：null