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YOUYUHUANREQISHANGSANREPIANBIAOMIANZANGDU、SHIWAIFENGJI(Draught Fan)XITONGGUZHANGHUOSHIWAIHUANREQIJIN、CHUFENGKOUYOUZUEWU，JISHISHIWAIHUANJINGWENDU（temperature)DAYU0℃，ZHENGGEHUANREQISHANGSANREPIANBIAOMIANNINGLUSHUIYEHUOXUNINGJIE（condensation）CHENGBOSHUANG，HENKUAISHUANGYUEJIEYUEHOU。SHINEIJIZHIREXIAOGUOCHA，QIECHUXIANHUASHUANGYIZAIXIANXIANG。
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