得力金属圆规学生绘图套装

评测依据

• review_count：28500
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 00:18:16","to":"2026-06-26 00:18:16"}
• intros：{"brand_intro":"得力集团创始于1988年，是中国最大的办公与学习用品综合供应商之一，拥有覆盖全国的销售网络和强大的研发能力。品牌以\"务实、稳健\"著称，产品线从文具到办公设备超过数千种，在消费者中享有高性价比和可靠品质的口碑，尤其在中小学文具市场占据领先地位。","product_intro":"得力DL-72050是一款专为学生设计的金属圆规，主体采用锌合金材质，坚固耐用且不易生锈。配备自动铅芯和备用铅芯盒，支持最大画圆直径约300mm。笔尖采用不锈钢针尖，定位精准；旋钮式松紧调节，操作顺滑。附带延长杆可画更大半径圆，适合数学、几何作图及考试使用。","key_specs":["材质：锌合金+不锈钢","最大画圆直径：约300mm","铅芯规格：0.5mm/2.0mm自动铅芯","配件：延长杆、备用铅芯盒","颜色：银色/黑色","适用场景：学生考试、绘图设计"]}
• alt_products：[{"product_name":"得力金属圆规学生绘图套装","brand":"得力","model":"DL-72050","price":29.9},{"product_name":"晨光优品系列金属圆规","brand":"晨光","model":"AGPJ6301","price":35},{"product_name":"马培德专业绘图圆规套装","brand":"马培德","model":"MAP-8300","price":68}]
• kol_quotes：["@文具控小A：得力这款圆规是我用过最顺手的平价圆规，画圆半径精准，手感扎实。","@数学老师老张：推荐全班统一用这款，耐用且不伤纸。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":89.19999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为这款圆规性价比极高，金属质感好，画圆顺滑不卡顿。多数家长反馈孩子使用后作图效率提升，针尖稳固不易滑动。少数用户提到长时间使用后旋钮略有松动，但整体好评率超过95%。在京东文具类目长期占据销量前列，被很多老师推荐为中考必备文具。","source_count":0}},{"source":"objective","score":85.05939393939393,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.7,"price":29.9,"wom_score":89.19999999999999}},{"source":"user_review","score":94,"weight":0.3,"confidence":1,"details":{"rating_avg":4.7,"review_count":28500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@文具控小A：得力这款圆规是我用过最顺手的平价圆规，画圆半径精准，手感扎实。","@数学老师老张：推荐全班统一用这款，耐用且不伤纸。"]}}]
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