[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

内腔为直筒宽口设计填食易但易掏空、耐玩度低;内腔为收窄弯钩/倒锥形设计取食难、能延长20-40分钟消耗时间,适合缓解无聊和分离焦虑。新手犬先用宽口建立兴趣,熟练后换难度款

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Long-term
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