Unverified80% confidenceTradeoffTime unknown
发条式(机械)音乐铃无需电池、噪音低但需频繁上弦且旋律短促重复;电动款曲目多、可遥控但耗电,追求安静哄睡选发条,追求功能丰富选电动带遥控
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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