Unverified90% confidenceDecision RuleTime unknown

内胆必须是304或316不锈钢，316比304多含钼元素、耐酸耐盐腐蚀性更强，装醋、番茄等酸性食物或长期使用建议选316内胆

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Unverified内胆材质优先304/316不锈钢，避免PP塑料内胆长期盛装60℃以上热食（易析出）；316不锈钢耐酸耐盐优于304，适合盛装番茄、果泥等酸性辅食86% similar Unverified内胆材质认304不锈钢不够，要看是否标注316（医用级）——316耐酸耐腐蚀更好，装番茄、醋、汤类不易析出金属离子，但价格更高，普通装饭菜304已足够85% similar Unverified长期携带优先选304或316不锈钢材质餐具，316耐酸腐蚀更适合装醋、柠檬等酸性食物；避免选用未标注钢号的"不锈铁"（含铁量高易生锈）85% similar

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