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1·Indirect methods of estimating thermal conductivity and volumetric heat capacity are described and employed.

介绍并采用了估算热传导性和容积热容量的间接方法。

2·The volumetric heat transfer capacity of plate cooler is 1.5 times as that of fin-tube cooler and 15 times as that of tube cooler.

板式空冷器单位体积换热量约是翅片管式空冷器的1.5倍，是光管式的15倍；