Unverified82% confidenceTradeoffTime unknown
真空吸附式吸力更强更安全(负压持续),但工作噪音普遍达65-75dB(接近吸尘器);磁吸式无气泵噪音更低(约55dB),但吸附稳定性依赖磁力,各有代价
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