[KongchangAI]
Unverified75% confidenceFactTime unknown

电动上发条式床铃需注意发条声本身也会产生噪音,机芯质量差的旋转会有卡顿异响;电池驱动+电机静音型号运转更平稳,但需检查电池仓是否有防拆螺丝以防误食

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