[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

真空罐分自动电动泵和手动按压泵两类,手动按压式需连续按压15-30次达到真空状态,适合偶尔使用;电动泵一键抽气约10-20秒完成,高频使用(每天多次)建议选电动泵款

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