得力 机用拉伸膜 500mm×300m×20μm

评测依据

• review_count：5800
• rating_avg：4.5
• 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 03:59:38","to":"2026-06-26 03:59:38"}
• intros：{"brand_intro":"得力集团创立于1988年，是中国知名的办公与工业用品品牌，产品线覆盖文具、办公设备、包装材料等。得力拉伸膜凭借高性价比和稳定的品质，在中小企业和电商卖家群体中拥有极高口碑，是国产拉伸膜市场的头部品牌之一。","product_intro":"得力机用拉伸膜采用优质LLDPE原料，厚度20μm，宽度500mm，每卷300米。膜面均匀，拉伸力适中，适合中小型托盘和纸箱缠绕。自粘性好，不易松脱，且价格亲民，是中小物流企业和电商仓库的常用选择。","key_specs":["材质：LLDPE","厚度：20μm","宽度：500mm","长度：300m/卷","拉伸率：≥250%","颜色：透明"]}
• alt_products：[{"product_name":"得力 机用拉伸膜 500mm×300m×20μm","brand":"得力","model":"DL-500-300-20","price":68},{"product_name":"妙洁 机用拉伸膜 450mm×200m×17μm","brand":"妙洁","model":"MJ-450-200-17","price":45},{"product_name":"洁柔 机用拉伸膜 500mm×400m×20μm","brand":"洁柔","model":"JR-500-400-20","price":89}]
• kol_quotes：["@电商包装小能手：得力膜是中小卖家的首选，便宜又好用。","@仓库主管李哥：用了两年，没出过质量问题，推荐。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在\"性价比高\"\"实用\"\"不断裂\"等关键词。很多中小卖家表示得力膜能满足日常发货需求，价格比进口品牌便宜一半以上。部分用户反馈膜卷偏软，但整体满意度高，复购率超过70%。","source_count":3}},{"source":"objective","score":70.3289393939394,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":68,"wom_score":84.1}},{"source":"user_review","score":90,"weight":0.2,"confidence":1,"details":{"rating_avg":4.5,"review_count":5800,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@电商包装小能手：得力膜是中小卖家的首选，便宜又好用。","@仓库主管李哥：用了两年，没出过质量问题，推荐。"]}}]
• method_version：v2
• search_visual：null