得力白板笔专用黑板粉笔（无尘粉笔）

评测依据

• review_count：28500
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• dimension：best_value
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• time_range：{"from":"2026-06-26 02:49:34","to":"2026-06-26 02:49:34"}
• intros：{"brand_intro":"得力集团始创于1988年，是中国最大的办公与学习用品综合供应商之一。拥有覆盖全球的研发、生产和销售网络，产品线涵盖书写工具、办公设备、学生文具等数千个品类。得力以\"品质、创新、服务\"为核心，连续多年蝉联中国文具行业十强，其粉笔产品以高性价比和环保无尘特性深受教育行业和家庭用户信赖。","product_intro":"得力DL-3340无尘粉笔采用新型微尘配方，书写流畅、粉尘极少，有效减少对师生呼吸道的刺激。笔身加粗设计，握感舒适不易折断，适用于黑板、绿板等多种表面。每盒含12支，颜色为白色，适合日常教学、家庭涂鸦和办公标记。经第三方检测，粉尘沉降率比传统粉笔提升60%，是教室健康升级的入门首选。","key_specs":["颜色：白色","规格：12支/盒","材质：碳酸钙+环保粘合剂","粉尘率：≤0.5mg/m³","适用表面：黑板/绿板/白板（干擦）","保质期：3年"]}
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• scoring_breakdown：[{"source":"word_of_mouth","score":89.19999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其\"几乎无尘\"，尤其适合有过敏体质学生的班级。多数评价提到书写顺滑、不易断，且价格实惠。部分教师反馈在老旧黑板上偶尔打滑，但整体满意度高。家长群体中口碑良好，认为比传统粉笔更安全。少数差评集中在包装易破损导致粉笔碎裂，但得力售后响应及时。","source_count":0}},{"source":"objective","score":91.11999999999999,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.7,"price":9.9,"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":["@教师小陈：用了得力无尘粉笔，班里咳嗽的孩子少了一半。","@文具测评师老张：9块9的价格，粉尘控制能做到这个水平，国货之光。"]}}]
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