Unverified82% confidenceDecision RuleTime unknown
气囊分区数量决定按摩包裹感，单气囊只是整圈同步充放气（本质是收缩挤压），多气囊（3-6组）才能形成从下到上或交替的推挤揉捏感，追求肠胃蠕动/助消化效果应选3气囊以上
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