http://news.carnoc.com/list/314/314592.html
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｜originally written by MrOrz
飛機利用機身內外壓差產生吸力時，負壓僅 0.2 kgw/cm^2，且馬桶墊與馬桶之間的支撐塊會造成空隙，屁股與馬桶之間無法緊密貼合而被吸住。
References
2015.5.22 民航資源網 科普：飛機上的抽真空馬桶到底有多危險？http://news.carnoc.com/list/314/314592.html
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