當年irobot 出了款自吸式，幾個月不到，國內同樣設計的自吸式開始大量上市了。這研發經費就打了水漂，太慘了

來源: An10Da18 於 2025-12-17 05:57:18 [舊帖] [給我悄悄話] 本文已被閱讀：次

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