{"appears_in":[{"position":6,"ranking_slug":"best-robot-vacuum-cleaner-2026","ranking_title":"2026 年扫地机器人怎么选：续航、清洁力、避障实测 + 10 款推荐清单","url":"https://buyranker.com/ranking/best-robot-vacuum-cleaner-2026"}],"brand":"追觅 Dreame","buy_url":null,"canonical_url":"https://buyranker.com/product/dreame-l20-ultra","category":{"name":"扫地机器人","slug":"robot-vacuum"},"cons":["割毛刀片属于耗材，需定期更换","旋转拖布对极端顽固去污不如滚筒方案","价格处于 3500–4000 元中高段"],"description":"追觅 L20 Ultra 配备割毛滚刷可主动切断缠绕毛发，仿生机械臂外扩拖布贴边拖地，10000Pa 吸力。基站支持自动集尘、热风烘干及自动上下水，是养宠和长发家庭的实用之选。","id":"6ba5c27d2327316e96f49475a758e682","image_url":null,"name":"追觅 L20 Ultra","official_url":null,"price":{"currency":"CNY","max":3999,"min":3499},"pros":["割毛滚刷主动切断毛发，防缠绕效果行业领先","仿生机械臂贴边拖地","基站含自动上下水","10000Pa 吸力"],"release_year":2024,"slug":"dreame-l20-ultra","specs":{"吸力":"10000Pa","基站功能":"自动集尘 + 热风烘干 + 自动上下水","拖地方式":"仿生机械臂外扩旋转拖布","滚刷类型":"割毛滚刷"},"summary":"割毛滚刷 + 仿生机械臂，养宠长发家庭的实用旗舰。"}