絶対湿度を下げる実験3 https://teinenpilife.com/equipment/ventilator/dehumidification-challenge1-2/attachment/%e7%b5%b6%e5%af%be%e6%b9%bf%e5%ba%a6%e3%82%92%e4%b8%8b%e3%81%92%e3%82%8b%e5%ae%9f%e9%a8%933