Unverified68% confidenceTradeoffTime unknown
计量精度越高（用精密蠕动泵/称重传感器）成本越高且出粉越慢，日常足月健康宝宝用±1g误差的螺杆定量结构已足够，无需为极致精度买单
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68%
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Long-term
Relevance
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